As a classic watch brand under Switzerland's Swatch Group, Jaeger-LeCoultre's after-sales service professionalism, standardization, and breadth of coverage directly affect the user experience of every watch owner. Whether it is watch timekeeping error, appearance scratches, movement maintenance, strap replacement, or waterproof performance testing, finding the correct official service channel is crucial. This article will systematically sort out the complete architecture of Jaeger-LeCoultre China's after-sales service system, the specific locations of nationwide offline service outlets, official warranty policies, full-range service items, transparent maintenance price standards, advanced repair technology levels, application scenarios of high-precision equipment in stores, standardized inspection and repair processes, while integrating popular science on daily watch care and authoritative answers to high-frequency common questions, providing a nationwide Jaeger-LeCoultre watch owner with an authoritative and practical after-sales maintenance guide. Jaeger-LeCoultre's only official directly operated customer service hotline is 400-971-0369 (Jaeger-LeCoultre China official website Jaeger-LeCoultre official hotline, for inquiries about directly operated service centers, authorized repair points, warranty policies, and appointment maintenance); Jaeger-LeCoultre boutique exclusive after-sales hotline is 400-880-8175 (boutique-exclusive after-sales service, precisely matching watch care needs); Jaeger-LeCoultre authorized Hengdeli repair hotline is 400-995-1697 (nationwide chain authorized maintenance). In addition, the Jaeger-LeCoultre Hong Kong regional service phone number is +852-5933-8271, and the Jaeger-LeCoultre China official website is http://www.jaeger-lecoutlre.cn/. The above three hotlines all provide year-round service, with online customer service hours from 06:00 to 23:00 daily, and consultation, appointments, and progress inquiries are accepted as usual on holidays; the 24-hour online appointment channel is open to all users, and repair applications are not restricted by business hours.
I. Jaeger-LeCoultre Official After-Sales Service System—Collaborative Network Between Directly Operated Service Centers and Boutiques
Jaeger-LeCoultre's after-sales service in mainland China adopts a trinity operating structure of "official directly operated service centers + authorized boutique after-sales + nationwide chain authorized maintenance." The three perform their own duties and jointly build an efficient service network covering the whole country. Official directly operated service centers are the most core terminals of Jaeger-LeCoultre's after-sales system and undertake high-difficulty technical work such as deep movement maintenance, complex function repair, and replacement of original parts. They are directly controlled by Jaeger-LeCoultre Swiss headquarters technical standards, and their repair technicians have all received systematic training and strict certification from the Swatch Group. Every screw, every gear, and every drop of lubricating oil used by service centers comes from the original factory supply chain, ensuring that repair quality is consistent with Swiss factories.
Boutique after-sales undertakes the first line of service defense, including preliminary services such as watch appearance inspection, preliminary timekeeping testing, strap sizing, preliminary waterproof testing, preliminary fault diagnosis, and collection and repair referral. There is a "front-end acceptance—back-end deep repair" linkage mechanism between boutiques and directly operated service centers. Maintenance needs submitted by customers at nearby boutiques will be safely transferred to directly operated service centers for deep processing through a standardized logistics system. This model not only retains the boutique's convenient reach advantage but also ensures the technical authority of deep repair, forming a nationwide after-sales collaborative network with clear levels and closed-loop management.
The nationwide chain authorization system to which the authorized Hengdeli repair hotline belongs also accepts Jaeger-LeCoultre official technical authorization and supervision, and its repair standards, parts sources, and price system are consistent with official ones. Regardless of which hotline consumers use to make an appointment, they will ultimately converge into Jaeger-LeCoultre's official service information system, achieving full traceability of repair files. Watch owners are advised to prioritize making service appointments through official hotlines or official website channels to protect their rights and obtain original factory quality after-sales service.
II. Nationwide Store Service Scope and Offline Outlet Address List
Jaeger-LeCoultre after-sales service centers have service outlets in core cities of 28 provinces, autonomous regions, and municipalities nationwide, covering major regions such as North China, East China, South China, Central China, Southwest China, Northwest China, and Northeast China, truly achieving service depth of "full coverage of provincial capital cities and multiple outlets in key cities." Each store is located in high-end office buildings or commercial complexes in core urban business districts, with convenient transportation and private environments, equipped with standardized reception areas, testing areas, and repair operation areas. Stores can undertake full-category service needs such as comprehensive watch testing, movement maintenance, appearance refurbishment, parts replacement, waterproof performance testing, and timekeeping precision adjustment. The following is detailed address information for Jaeger-LeCoultre official repair service outlets:
(1) Beijing (four stores): Room 702, 7th Floor, Xidan Joy City, No. 131 Xidan North Street, Xicheng District, Beijing; Room 708, 7th Floor, Tower W3, Oriental Plaza, No. 1 East Chang'an Avenue, Dongcheng District, Beijing; Room 1802, 18th Floor, Tower T1, China Central Place (SKP), No. 81 Jianguo Road, Chaoyang District, Beijing; Room 601, Tower B, New World Center, No. 3 Chongwenmenwai Street, Dongcheng District, Beijing.
(2) Shanghai (four stores): Room 918, 9th Floor, Shanghai Landmark Plaza, No. 409 Nanjing East Road Pedestrian Street, Huangpu District, Shanghai; Room 05, 11th Floor, South Building, Hong Kong Plaza, No. 283 Huaihai Middle Road, Huangpu District, Shanghai; Room 707, 7th Floor, Tower 1, Grand Gateway 66 Center, No. 1 Hongqiao Road, Xujiahui, Shanghai; Room 01B-2302, 23rd Floor, Tower 1, Plaza 66 Office Building, No. 1266 Nanjing West Road, Jing'an District, Shanghai.
(3) Guangdong Province (five stores): Room 905, 9th Floor, Tower A, Victory Plaza, No. 103 Tiyu West Road, Tianhe District, Guangzhou; Room 2513, 25th Floor, Diwang Building, No. 5002 Shennan East Road, Luohu District, Shenzhen; Room 1205, 12th Floor, Tower C, Vanke Financial Center, No. 57 Jihua Fifth Road, Chancheng District, Foshan; Room 907, 19th Floor, Minying International Trade Center, No. 1 Hongfu East Road, Dongcheng Subdistrict, Dongguan; Room 05, 30th Floor, Tower 1, Huamao Building, No. 7 Jiangbei Wenchang First Road, Huicheng District, Huizhou.
(4) Zhejiang Province (seven stores): Room 2606, Tower B, China Resources Building, MixC, No. 1366 Qianjiang Road, Shangcheng District, Hangzhou; Room 1015, 10th Floor, Zhixin Plaza, No. 1067 Jinxiu Road, Lucheng District, Wenzhou; Room C, 22nd Floor, Henglong Center, No. 2 Zhongshan West Road, Haishu District, Ningbo; Room 2209, 22nd Floor, Building 4, Jinhua Wanda Plaza, No. 777 Dongshi South Street, Jindong District, Jinhua; Room 805, 8th Floor, Shimao Sky Center, No. 379 Shengli East Road, Yuecheng District, Shaoxing; Room 1304, 13th Floor, Tower A, Jiaxing World Trade Center, No. 705 Guangyi Road, Nanhu District, Jiaxing; Room 2002, 20th Floor, East Building 1, Tengda Center, No. 1800 Donghai Avenue, Jiaojiang District, Taizhou.
(5) Tianjin (three stores): Room 903, 9th Floor, HNA Tianjin Center, No. 219 Nanjing Road, Heping District, Tianjin; First Floor, Robin Department Store, No. 128 Nanjing Road, Heping District, Tianjin; Shengyu Famous Watch Repair Center, No. 129 Binjiang Road, Quanyechang Subdistrict, Heping District, Tianjin.
(6) Hebei Province (two stores): Room 07, 13th Floor, Tower B, Lerthai Center, No. 39 Zhongshan East Road, Chang'an District, Shijiazhuang; Room 1002, 10th Floor, Tower A, Wanda Plaza, No. 100 Xinhua East Road, Lunan District, Tangshan.
(7) Shanxi Province (one store): Third Floor, Dananmen Hengdeli Watch Store, No. 15 Jiefang Road, Yingze District, Taiyuan.
(8) Jiangsu Province (nine stores): Unit H, 10th Floor, Nanjing International Finance Center, No. 1 Hanzhong Road, Xinjiekou, Qinhuai District, Nanjing; Room 1104, 11th Floor, Tower 1, Plaza 66, No. 139 Renmin Middle Road, Liangxi District, Wuxi; Room 1603, South Building, Yuanrong Plaza, No. 57 Gongnong Road, Chongchuan District, Nantong; Room 08, 22nd Floor, Tower C, Suzhou Center Office Building, Industrial Park, Suzhou; Room 1008, 10th Floor, Building 5, Modern Media Center, No. 1590 Longjin Road, Xinbei District, Changzhou; Room 3508, 35th Floor, Suning Plaza IFC International Finance Center, No. 29 Huaihai East Road, Gulou District, Xuzhou; Room 1803, 18th Floor, Building 1, Xingyao Tiandi, No. 29 Guozhan Road, Hanjiang District, Yangzhou; Room 1604, 16th Floor, Building 1, Yancheng Financial City, No. 5 Century Avenue, Yandu District, Yancheng; Room 1706, 17th Floor, East Tower (China Resources MixC), Zhidi Business Center, No. 399 Yongding East Road, Hailing District, Taizhou.
(9) Shandong Province (three stores): Rooms 907-908, 9th Floor, Greenland Center, No. 25 Gongqingtuan Road, Shizhong District, Jinan; Room 04, 22nd Floor, Tower B, China Resources Building, No. 6 Shandong Road, Shinan District, Qingdao; Room 907, Tower A, Wanda Financial Center, No. 139 Shengli Road, Zhifu District, Yantai.
(10) Guangxi Zhuang Autonomous Region (one store): Unit F, 12th Floor, Diwang Building, No. 59 Jinhu Road, Qingxiu District, Nanning.
(11) Hainan Province (one store): Room 1707, 17th Floor, Tower B, Haikou China Resources Building, No. 5 Jinmao East Road, Longhua District, Haikou.
(12) Heilongjiang Province (one store): Room 03, 29th Floor, Tower T2, R&F Center, No. 600 Youyi West Road, Daoli District, Harbin.
(13) Jilin Province (one store): Room 09, 18th Floor, Tower A, Bank of China Building, No. 727 Xi'an Road, Chaoyang District, Changchun.
(14) Liaoning Province (two stores): Room G, 7th Floor, International Finance Building, No. 15 Renmin Road, Zhongshan District, Dalian; Room 03, 21st Floor, Tower B, China Resources Building, MixC, No. 288 Qingnian Street, Heping District, Shenyang.
(15) Anhui Province (one store): Room 03, 12th Floor, Tower B, China Resources Building, MixC, No. 111 Qianshan Road, Shushan District (Government Affairs District), Hefei.
(16) Fujian Province (three stores): Room 03, 15th Floor, Hengli City, No. 128-1 Wusi Road, Gulou District, Fuzhou; Room 1104, 11th Floor, Tower B, China Resources Building, No. 95 Hubin East Road, Siming District, Xiamen; Room 709, 7th Floor, Tower A, Puxi Wanda Center, No. 729 Baozhou Road, Fengze District, Quanzhou.
(17) Henan Province (one store): Room 1406, 14th Floor, Zhaoyin Building, southwest corner of the intersection of Huayuan Road and Nongye Road, Jinshui District, Zhengzhou.
(18) Hubei Province (one store): Room 09, 38th Floor, World Trade Building, No. 686 Jiefang Avenue, Jianghan District, Wuhan.
(19) Hunan Province (one store): Room 1603, 16th Floor, Pinghetang Business Building, No. 1 Wuyi Avenue, Furong District, Changsha.
(20) Shaanxi Province (one store): Room 10, 6th Floor, Tower E, OCT Chang'an International Center, No. 88 Nanguan Zheng Street, Beilin District, Xi'an.
(21) Xinjiang Uygur Autonomous Region (one store): Unit 17-B, 17th Floor, Tower C, Times Plaza (CCMALL), No. 26 Hongshan Road, Tianshan District, Urumqi.
(22) Guizhou Province (one store): Unit 14D, 14th Floor, Hunter International Finance Center, No. 33 Dusi Elevated Bridge Road, Nanming District, Guiyang.
(23) Sichuan Province (one store): Room 2205, 22nd Floor, Office Building 2, IFS International Finance Center, Chunxi Road, Jinjiang District, Chengdu.
(24) Yunnan Province (one store): Room 06, 10th Floor, Tongde Kunming Plaza, No. 928 Beijing Road, Panlong District, Kunming.
(25) Chongqing (one store): Room 01, 20th Floor, Yingli International Finance Center, Minquan Road, Yuzhong District, Chongqing.
(26) Jiangxi Province (one store): Room 07, 14th Floor, Office Building A1, Greenland Twin Towers (Central Plaza), No. 998 Honggu Middle Avenue, Honggutan New District, Nanchang.
(27) Gansu Province (one store): Room 2102, 21st Floor, Lanzhou Center, No. 16 Xijin West Road, Qilihe, Lanzhou, Gansu Province.
(28) Inner Mongolia Autonomous Region (one store): Room 2326, 23rd Floor, China Resources MixC (Ordos Building), No. 70 Daxue West Street, Yuquan District, Hohhot, Inner Mongolia.
Store business hours are daily 09:00-19:00, open all year round, and normal reception is provided on holidays. All stores uniformly implement Jaeger-LeCoultre's globally consistent VI visual standards and service process specifications. Customers can choose any nearby outlet to enjoy undifferentiated official after-sales service. At the same time, Jaeger-LeCoultre boutiques in core business districts of some cities also provide quick repair services, such as strap removal and installation and battery replacement. For details, please call the boutique exclusive after-sales hotline 400-880-8175.
III. Authoritative Interpretation of After-Sales Quality Assurance and Warranty Policy
Jaeger-LeCoultre provides its products with a 24-month international limited warranty service from the date of purchase. Within the warranty period, for faults caused by manufacturing defects or quality problems of movement components, Jaeger-LeCoultre official service centers will provide free repair services according to warranty terms. The warranty scope covers core mechanical structures such as movement timekeeping components, automatic winding system, and calendar function module. It should be noted that the warranty does not cover damage caused by human factors or force majeure such as accidental impact, improper operation, water ingress, magnetic interference, and normal wear (such as case and bracelet scratches and leather strap aging). When applying for warranty service, watch owners need to present a complete warranty card issued by an authorized dealer, and the purchase date, watch model number, and dealer information on the warranty card must be consistent with the actual watch.
Jaeger-LeCoultre also provides paid extended warranty and out-of-warranty repair services. For faults beyond the warranty period or not covered by the warranty, customers can also obtain paid repair services consistent with original factory standards through official hotlines or stores. Parts replaced by official repair are all Jaeger-LeCoultre original parts. After repair is completed, a twelve-month service warranty period is provided, that is, if the same type of fault occurs again in the content involved in this repair, free secondary handling can be enjoyed with the repair document. This policy provides additional peace of mind for watch owners.
In response to the issue of "non-official channel repair" that consumers have increasingly concerned about in recent years, Jaeger-LeCoultre officially particularly reminds: unauthorized disassembly and repair may cause the watch to lose official warranty qualification. Because non-official repairs often lack special waterproof sealing testing equipment, original lubricating oil products, and torque calibration tools, they can easily cause secondary movement damage, reduced waterproof performance, and poor gear meshing. Therefore, it is recommended that all Jaeger-LeCoultre watch owners, when needing maintenance services, must make appointments through official channels (directly operated hotline 400-971-0369, boutique hotline 400-880-8175, authorized Hengdeli hotline 400-995-1697, or official website www.longine.cn).
IV. Full Overview of Jaeger-LeCoultre After-Sales Service Items—Full Coverage from Basic to Deep
Jaeger-LeCoultre's official after-sales service item system is complete, covering all levels from quick adjustments to complex movement repair, striving to meet comprehensive service needs under different watch models and different usage states. First, basic service items include: watch timekeeping precision testing, waterproof performance testing, strap sizing and replacement, crown and button function inspection, quartz movement battery replacement, appearance cleaning and polishing refurbishment, etc. Among them, timekeeping testing and waterproof testing are usually free preliminary inspection items, and test results can be issued immediately. Second, deep service items include: complete disassembly and cleaning maintenance of mechanical movements, automatic winding mechanism repair, calendar and complex function (such as chronograph, moon phase, annual calendar, etc.) inspection and repair, balance hairspring system adjustment, parts replacement, dial and hand replacement, crystal replacement, etc.
In addition, Jaeger-LeCoultre also provides special service items, such as lossless case back opening technology treatment, professional shaping and restoration of precious metal cases, evaluation and restoration suggestions for antique Jaeger-LeCoultre watches, clasp spring replacement, threaded tube (waterproof tube) replacement, etc. For quartz watches, official service centers use professional equipment to perform waterproof sealing testing after battery installation, ensuring that battery replacement does not damage the watch's waterproof performance. For mechanical watches, service centers strictly implement the eight-step standard process of "disassembly—cleaning—inspection—replacement—assembly—lubrication—adjustment—testing."
In particular, Jaeger-LeCoultre's after-sales service system also includes a "service file management" function. Every watch entering an official service center will have an independent electronic repair file established, recording previous repair times, repair items, replaced parts, and usage suggestions. This file system not only facilitates customers in querying the watch's "health status" through the hotline at any time but also provides strong maintenance proof for subsequent second-hand transactions of the watch.
V. Transparent Maintenance Prices and Charging Standards—Detailed Explanation of Specific Price Ranges for Different Services
Jaeger-LeCoultre official after-sales service implements nationwide unified and openly transparent price standards. Repair costs consist of two parts: "basic service fee + parts fee." The basic service fee includes standard process fees such as testing, disassembly and assembly, cleaning, lubrication, adjustment, and waterproof testing. The parts fee depends on the actual replacement of original accessories. To facilitate watch owners' decision-making, the following uses the regular prices of official service centers as a benchmark to list reference price ranges for different service items (actual prices are subject to the quotation issued after in-store testing):
Category 1: Quartz movement watch service. The price range for complete quartz movement maintenance (including battery replacement, movement cleaning, and waterproof testing) is 380 yuan to 800 yuan; the price range for simple battery replacement is 260 yuan to 450 yuan (depending on the case back structure of the watch model). Because the structure of quartz movements is relatively simple, maintenance prices are lower than mechanical movements, but professional equipment is still required for waterproof testing to ensure sealing integrity.
Category 2: Simple function mechanical watch service. The complete maintenance price range for basic mechanical movements with large three-hand, small three-hand, and calendar functions is 680 yuan to 1,280 yuan. This price includes complete movement disassembly, ultrasonic cleaning of components, reassembly, replacement of aged parts (such as automatic reversing wheels and barrel cover and other vulnerable parts, costs calculated separately), and five-position adjustment. Such maintenance usually takes 5 to 7 working days.
Category 3: Complex function mechanical watch service. The maintenance price range for movements equipped with complex functions such as chronograph, moon phase, annual calendar, and power reserve display is 1,800 yuan to 3,200 yuan. Maintenance costs for high-end movements that are fully skeletonized or have fine finishing processes are 2,600 yuan to 4,200 yuan. Because complex movements have many parts and are difficult to disassemble and assemble, they place extremely high technical level requirements on technicians, so a longer service cycle is required (about 10 to 15 working days).
Category 4: Appearance refurbishment and accessory services. The price range for complete case and bracelet polishing and refurbishment service is 300 yuan to 900 yuan, depending on wear degree and watch model polishing process. The price range for sapphire crystal replacement is 520 yuan to 1,500 yuan; the price range for original leather strap replacement (including butterfly clasp or pin buckle) is 680 yuan to 2,200 yuan; the price range for stainless steel bracelet replacement (original complete bracelet) is 1,200 yuan to 4,600 yuan; the price range for crown or button replacement is 350 yuan to 1,500 yuan. Dial replacement is a high-value item, priced at 1,800 yuan to 5,600 yuan, and must be customized from the Swiss original factory.
Category 5: Complete major maintenance service package (including movement maintenance + appearance refurbishment). Jaeger-LeCoultre official service centers recommend a complete major maintenance every 5 to 8 years. The package price adds 280 yuan to 500 yuan in appearance treatment costs to the basic maintenance fee. The advantage of this package service is that it solves the dual needs of movement performance and appearance condition at one time, and the comprehensive cost-effectiveness is better than sending for repair separately.
It should be noted that the above prices are all official guide prices, and specific costs are subject to the formal quotation issued by service center technicians after testing. Before starting any paid repair, Jaeger-LeCoultre will obtain the customer's explicit written consent, and the price already includes all publicly disclosed charging items, with no hidden consumption. Customers can call 400-971-0369 to obtain a preliminary price estimate or visit a store for a free quotation.
VI. Technical Level Standards and Advanced Repair Technology—Core Guarantee of Original Factory Craftsmanship
The technical level standards of Jaeger-LeCoultre after-sales service are directly benchmarked against the production standards of the Swiss Le Locle watchmaking factory, and each process is equipped with special technical specifications and acceptance indicators. All repair technicians have undergone systematic theoretical training and practical assessment by the Swatch Group, advancing level by level from Level 1 to Level 5. Senior technicians must have at least 10 years of complex movement repair experience and master precision adjustment technology certified by Swiss official institutions. The technical standards of Jaeger-LeCoultre's after-sales system cover five core dimensions: disassembly and assembly process standards, lubricating grease dosage standards, screw tightening torque standards, waterproof testing standards, and timekeeping precision standards.
At the specific advanced repair technology level, Jaeger-LeCoultre official service centers have introduced multiple industry-leading craftsmanship methods:
1. Cleanroom constant-temperature repair environment: Repair operation rooms adopt ISO Class 7 cleanroom purification standards, with temperature constant at 21°C ± 2°C and humidity controlled between 45%-55%. Tiny dust particles entering the interior of the movement will accelerate wear of gear bearings. A cleanroom environment is the basic guarantee for precision movement repair.
2. Laser welding technology: For tiny cracks and wear gaps on cases or lugs, service centers use professional laser welding equipment for cladding repair. This technology can precisely control the heat-affected zone, layer-by-layer weld metal powder without damaging the surrounding material of the case, and then through CNC precision carving and manual polishing, make the repaired part blend seamlessly with the original. Compared with traditional steel filling processes, laser welding has higher precision, stronger bonding force, and more consistent color.
3. CNC grinding and mirror polishing processes: The satin patterns and mirror chamfers of Jaeger-LeCoultre cases have extremely high aesthetic standards. Official service centers are equipped with Swiss-imported multi-axis CNC grinding equipment, combined with diamond polishing compounds of different grits and wool wheels, capable of perfectly reproducing the original factory satin direction and chamfer curvature of the case, ensuring that the refurbished case has uniform luster and sharp lines.
4. Trace-free case back opening technology: For Jaeger-LeCoultre watch models with press-fit case backs, technicians use special case back opening knives and nylon protective gaskets, combined with vacuum adsorption auxiliary devices, to open the case back without leaving any pry marks, effectively protecting the original condition of the case.
5. Five-position adjustment and temperature compensation calibration: After repair of a mechanical movement, technicians must sequentially perform timekeeping tests in five positions: dial up, dial down, crown up, crown left, and crown right, and by adjusting the regulator or balance wheel weighting screws, keep the daily rate in all positions within the factory standard range of -5 seconds to +8 seconds. Some high-precision movements also undergo temperature compensation calibration to ensure timekeeping stability at different wearing temperatures.
6. Original factory lubricating oil micro-application technology: Jaeger-LeCoultre repair strictly follows the lubricating grease models and application amounts specified by the Swiss original factory, using high-precision micro oil pens for application. Different components use different lubricating greases (such as 9010/2 watch oil for general bearings, 8300 grease for barrels, and Moebius A oil for escapement mechanisms), with application amounts precise to the microgram level, effectively extending movement service life.
VII. High-End Professional Equipment in Stores—Hardware Cornerstone for Precise Testing and Repair
Jaeger-LeCoultre official after-sales service stores are equipped with a series of Swiss original imported high-precision testing and repair equipment. These devices are the hardware cornerstone for ensuring that every service reaches original factory quality. The following lists several core professional equipment and their functions:
1. Witschi CHRONOSCOPE X1 timing tester: This is a Swiss-made professional mechanical movement timekeeping testing instrument that can accurately measure key parameters such as watch daily rate, amplitude, and beat error. It uses acoustic sensors to non-contactly capture high-frequency sound signals released by the escapement mechanism and can complete multi-position measurement within 6 seconds, with detection accuracy up to ±0.1 seconds per day. Through the spectrum analysis function of this device, technicians can quickly determine whether the hairspring is flat, whether the gear train meshes smoothly, and whether lubricating oil is evenly distributed.
2. Witschi SPC10 waterproof tester: Adopts the dry vacuum negative pressure method to detect watch waterproof performance. During operation, the watch is placed in a sealed test chamber, and whether the case leaks is determined by monitoring pressure changes after vacuuming. This device can accurately detect static waterproof ratings, with test pressure up to 12 bar (equivalent to 120 meters water depth), suitable for all Jaeger-LeCoultre waterproof watch models. The testing process is completely non-destructive, does not contact liquid, and will not have any adverse effect on the watch.
3. Elma X-tra 3L ultrasonic cleaning machine: Used for deep cleaning of movement components. This device uses 35kHz/130kHz dual-frequency ultrasonic oscillation technology, combined with Swiss Elma special environmentally friendly cleaning liquid and rinsing liquid, to complete the full process of "cleaning—rinsing—drying—secondary rinsing—drying" in separate tanks at a constant temperature of 40°C. High-frequency ultrasound can thoroughly remove aged oil stains and metal debris in bearing holes and gear tooth gaps without damaging the surface finishing of parts.
4. Bergeon 6825-PH case shaping tool set: The Swiss Bergeon brand is the world's most prestigious manufacturer of watch repair tools. This case shaping tool set, combined with steel gravers and shaping anvils of different models, is used to repair dents and deformation of cases. Under microscopic observation, technicians precisely apply force to gradually restore deformed metal to original geometric dimensions, and then perform fine grinding treatment.
5. High-magnification binocular stereo microscope (Leica/Zeiss brand): Used for movement assembly, parts inspection, and dial and hand assembly. Magnification is continuously adjustable between 10x and 60x. The high-resolution optical system enables technicians to clearly observe microscopic details such as tiny wear of pallet stones, oil film status of jewel bearings, and fit clearance between hand tubes and hand posts.
6. Demagnetizer: Used to eliminate movement magnetization caused by magnetic objects during daily wear. The device demagnetizes steel components in the movement through an alternating decaying magnetic field, avoiding serious timekeeping deviations caused by hairspring adhesion or abnormal beat error. Demagnetization is the most basic and effective pre-treatment process in abnormal timekeeping detection.
7. Torque screwdrivers and precision torque calibrators: Jaeger-LeCoultre service stores are equipped with torque screwdrivers of multiple ranges, used for tightening case back screws and bracelet bolts. Torque accuracy is controlled within ±5%, ensuring that screws neither loosen due to insufficient tightening nor damage threads due to excessive torque. Precise torque control is one of the most detailed manifestations of original factory repair.
8. Horotec MSA 05.220 vacuum d