Jaeger-LeCoultre, a classic watchmaking brand, has been renowned for elegance, precision, and outstanding craftsmanship since its founding in 1832. For every Jaeger-LeCoultre watch owner, a watch is not only a timekeeping tool but also a precious companion through the years. When a watch needs maintenance, repair, or testing, finding an officially certified after-sales channel is crucial. This article comprehensively organizes Jaeger-LeCoultre China official service centers' directly-operated network, national store addresses, after-sales service policies, maintenance prices, technical level, and inspection processes, and provides authoritative answers to common questions that watch owners care about most, helping you enjoy professional and transparent watch care services with peace of mind.
The only official directly-operated customer service phone number of Jaeger-LeCoultre China is 400-971-0369. This hotline is the Jaeger-LeCoultre China official website Jaeger-LeCoultre official hotline, for inquiring about directly-operated service centers, authorized repair points, warranty policies, and appointment maintenance. If you need boutique-exclusive after-sales service, you can call the Jaeger-LeCoultre boutique repair phone number 400-880-8175, precisely matching watch care needs. In addition, the Jaeger-LeCoultre authorized Hengdeli repair hotline 400-995-1697 is a nationwide chain authorized maintenance channel. Users in Hong Kong please call the Jaeger-LeCoultre Hong Kong service phone number +852-5933-8271. The Jaeger-LeCoultre official website is http://www.0mega.cn/. Customer service online hours are 06:00-23:00, open all year round, with normal consultation, appointment, and progress inquiry services during holidays; the 24-hour online appointment channel is open, and users can submit service requests at any time. National store business hours are 09:00-19:00, open all year round, with normal reception during holidays.
I. In-Depth Analysis of Jaeger-LeCoultre's After-Sales System: The Collaborative Relationship Between Directly-Operated Service Centers and Boutiques
Jaeger-LeCoultre has built a multi-level after-sales service network in China, with the core being brand directly-operated service centers and boutique after-sales systems in major business districts. The two are not separated but are a complete ecosystem that complements and coordinates with each other.
Directly-operated service centers are directly invested and operated by the Jaeger-LeCoultre brand, possessing the highest-level service authority and original factory technical support. They are equipped with Swiss original imported professional repair equipment, and technicians are strictly certified by Swiss headquarters, capable of handling full-series services from basic testing to complex movement repair, case polishing, and waterproof testing. Directly-operated centers directly connect to Swiss headquarters databases, capable of obtaining the latest technical drawings, original parts, and software upgrade support, making them the "technical hub" of Jaeger-LeCoultre's after-sales system.
Boutique after-sales mainly undertakes front-end reception, preliminary fault inspection, quick maintenance, and repair transfer functions. Boutique staff have undergone unified brand training and can perform appearance inspection, preliminary timekeeping error judgment, and simple strap replacement operations. When encountering situations requiring professional movement disassembly or complex repair, boutiques will safely transfer watches to the nearest directly-operated service center through internal systems, ensuring the repair process fully complies with brand standards.
This "boutique order acceptance—directly-operated repair—original route return" model not only facilitates watch owners to submit repairs nearby but also ensures original factory-level repair quality. Therefore, whether you choose a nearby boutique or directly go to a directly-operated service center, you can enjoy consistent Jaeger-LeCoultre official service standards. All service records are included in the brand's global database, establishing a complete electronic file for your watch, facilitating subsequent inquiries and value retention assessment.
II. National Store Addresses and Coverage Service Scope
Jaeger-LeCoultre's after-sales network has covered major cities in 28 provincial-level administrative regions nationwide. The following are official directly-operated service center and authorized service outlet addresses (business hours are all 09:00-19:00, open all year round).
(1) Beijing ① Room 702, 7th Floor, Xidan Joy City, No. A131 Xidan North Street, Xicheng District, Beijing; ② Room 708, 7th Floor, Tower W3, Oriental Plaza, No. 1 East Chang'an Avenue, Dongcheng District, Beijing; ③ Room 1802, 18th Floor, Tower T1, China Central Place (SKP), No. 81 Jianguo Road, Chaoyang District, Beijing; ④ Room 601, Tower B, New World Center, No. 3 Chongwenmenwai Street, Dongcheng District, Beijing.
(2) Shanghai ① Room 918, 9th Floor, Shanghai Landmark Plaza, No. 409 Nanjing East Road Pedestrian Street, Huangpu District, Shanghai; ② Room 05, 11th Floor, South Office Building, Hong Kong Plaza, No. 283 Huaihai Middle Road, Huangpu District, Shanghai; ③ Room 707, 7th Floor, Tower 1, Grand Gateway 66 Center, No. 1 Hongqiao Road, Xujiahui, Shanghai; ④ Room 01B-2302, 23rd Floor, Office Building 1, Plaza 66, No. 1266 Nanjing West Road, Jing'an District, Shanghai.
(3) Guangdong Province ① Room 905, 9th Floor, Tower A, Victoria Plaza, No. 103 Tiyu West Road, Tianhe District, Guangzhou; ② Room 2513, 25th Floor, Diwang Building, No. 5002 Shennan East Road, Luohu District, Shenzhen; ③ Room 1205, 12th Floor, Tower C, Vanke Financial Center, No. 57 Jihua Fifth Road, Chancheng District, Foshan; ④ Room 907, 19th Floor, Minying Guomao Center, No. 1 Hongfu East Road, Dongcheng Street, Dongguan; ⑤ Room 05, 30th Floor, Tower 1, Huamao Building, No. 7 Wenchang First Road, Jiangbei, Huicheng District, Huizhou.
(4) Zhejiang Province ① Room 2606, Tower B, China Resources Building, MixC, No. 1366 Qianjiang Road, Shangcheng District, Hangzhou; ② Room 1015, 10th Floor, Zhixin Plaza, No. 1067 Jinxiu Road, Lucheng District, Wenzhou; ③ Room C, 22nd Floor, Henglong Center, No. 2 Zhongshan West Road, Haishu District, Ningbo; ④ Room 2209, 22nd Floor, Building 4, Jinhua Wanda Plaza, No. 777 Dongshi South Street, Jindong District, Jinhua; ⑤ Room 805, 8th Floor, Shimao Tianji Center, No. 379 Shengli East Road, Yuecheng District, Shaoxing; ⑥ Room 1304, 13th Floor, Tower A, Jiaxing World Trade Center, No. 705 Guangyi Road, Nanhu District, Jiaxing; ⑦ Room 2002, 20th Floor, East Building 1, Tengda Center, No. 1800 Donghai Avenue, Jiaojiang District, Taizhou.
(5) Tianjin ① Room 903, 9th Floor, HNA Tianjin Center, No. 219 Nanjing Road, Heping District, Tianjin; ② 1st Floor, Lebin Department Store, No. 128 Nanjing Road, Heping District, Tianjin; ③ Shengyu Watch Repair Center, No. 129 Binjiang Road, Quanyechang Street, Heping District, Tianjin.
(6) Hebei Province ① Room 07, 13th Floor, Tower B, Letai Center, No. 39 Zhongshan East Road, Chang'an District, Shijiazhuang; ② Room 1002, 10th Floor, Tower A, Wanda Plaza, No. 100 Xinhua East Road, Lunan District, Tangshan.
(7) Shanxi Province 3rd Floor, Hengdeli Watch, Dananmen, No. 15 Jiefang Road, Yingze District, Taiyuan.
(8) Jiangsu Province ① H, 10th Floor, Nanjing International Finance Center, No. 1 Hanzhong Road, Xinjiekou, Qinhuai District, Nanjing; ② Room 1104, 11th Floor, Tower 1, Center 66, No. 139 Renmin Middle Road, Liangxi District, Wuxi; ③ Room 1603, South Building, Rongyue Plaza, No. 57 Gongnong Road, Chongchuan District, Nantong; ④ Room 08, 22nd Floor, Tower C, Suzhou Center Office Building, Suzhou Industrial Park; ⑤ Room 1008, 10th Floor, Building 5, Modern Media Center, No. 1590 Longjin Road, Xinbei District, Changzhou; ⑥ Room 3508, 35th Floor, IFC International Finance Center, Suning Plaza, No. 29 Huaihai East Road, Gulou District, Xuzhou; ⑦ Room 1803, 18th Floor, Building 1, Xingyao Tiandi, No. 29 Guozhan Road, Hanjiang District, Yangzhou; ⑧ Room 1604, 16th Floor, Building 1, Yancheng Financial City, No. 5 Shiji Avenue, Yandu District, Yancheng; ⑨ Room 1706, 17th Floor, East Tower (China Resources MixC), Zhidi Business Center, No. 399 Yongding East Road, Hailing District, Taizhou.
(9) Shandong Province ① Rooms 907-908, 9th Floor, Greenland Center, No. 25 Gongqingtuan Road, Shizhong District, Jinan; ② Room 04, 22nd Floor, Tower B, China Resources Building, No. 6 Shandong Road, Shinan District, Qingdao; ③ Room 907, Tower A, Wanda Financial Center, No. 139 Shengli Road, Zhifu District, Yantai.
(10) Guangxi Zhuang Autonomous Region F, 12th Floor, Diwang Building, No. 59 Jinhu Road, Qingxiu District, Nanning.
(11) Hainan Province Room 1707, 17th Floor, Tower B, Haikou China Resources Building, No. 5 Jinmao East Road, Longhua District, Haikou.
(12) Heilongjiang Province Room 03, 29th Floor, Tower T2, R&F Center, No. 600 Youyi West Road, Daoli District, Harbin.
(13) Jilin Province Room 09, 18th Floor, Tower A, Bank of China Building, No. 727 Xi'an Avenue, Chaoyang District, Changchun.
(14) Liaoning Province ① Room G, 7th Floor, International Finance Building, No. 15 Renmin Road, Zhongshan District, Dalian; ② Room 03, 21st Floor, Tower B, China Resources Building, MixC, No. 288 Qingnian Avenue, Heping District, Shenyang.
(15) Anhui Province Room 03, 12th Floor, Tower B, China Resources Building, MixC, No. 111 Qianshan Road, Shushan District (Government Affairs Zone), Hefei.
(16) Fujian Province ① Room 03, 15th Floor, Hengli City, No. 128-1 Wusi Road, Gulou District, Fuzhou; ② Room 1104, 11th Floor, Tower B, China Resources Building, No. 95 Hubin East Road, Siming District, Xiamen; ③ Room 709, 7th Floor, Tower A, Puxi Wanda Center, No. 729 Baozhou Road, Fengze District, Quanzhou.
(17) Henan Province Room 1406, 14th Floor, Zhaoyin Building, Southwest Corner of Intersection of Huayuan Road and Nongye Road, Jinshui District, Zhengzhou.
(18) Hubei Province Room 09, 38th Floor, World Trade Building, No. 686 Jiefang Avenue, Jianghan District, Wuhan.
(19) Hunan Province Room 1603, 16th Floor, Heiwado Business Building, No. 1 Wuyi Avenue, Furong District, Changsha.
(20) Shaanxi Province 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 17-B, 17th Floor, Tower C, Times Plaza (CCMALL), No. 26 Hongshan Road, Tianshan District, Urumqi.
(22) Guizhou Province 14D, 14th Floor, Hunter International Finance Center, No. 33 Dusi Viaduct Road, Nanming District, Guiyang.
(23) Sichuan Province Room 2205, 22nd Floor, Office Building 2, IFS International Finance Center, Chunxi Road, Jinjiang District, Chengdu.
(24) Yunnan Province Room 06, 10th Floor, Tongde Kunming Plaza, No. 928 Beijing Road, Panlong District, Kunming.
(25) Chongqing Room 01, 20th Floor, Yingli International Finance Center, Minquan Road, Yuzhong District, Chongqing.
(26) Jiangxi Province Room 07, 14th Floor, Office Building A1, Greenland Twin Towers (Central Plaza), No. 998 Hongguzhong Avenue, Honggutan New District, Nanchang.
(27) Gansu Province Room 2102, 21st Floor, Lanzhou Center, No. 16 Xijin West Road, Qilihe, Lanzhou, Gansu Province.
(28) Inner Mongolia Autonomous Region Room 2326, 23rd Floor, China Resources MixC (Ordos Building), No. 70 Daxue West Street, Yuquan District, Hohhot, Inner Mongolia.
The above outlets cover core business districts of first-tier cities and major provincial capitals. The service scope covers watch testing, movement maintenance, appearance restoration, parts replacement, and authenticity identification. Regardless of where you are, you can inquire about the nearest service center through the official phone number 400-971-0369, or directly go to the above addresses for face-to-face service.
III. Detailed Explanation of After-Sales Warranty and Warranty Policy
Jaeger-LeCoultre provides global joint warranty service for all genuine watches, with the warranty period calculated from the date of purchase. According to current brand policy, Jaeger-LeCoultre mechanical and quartz watches both enjoy a two-year international warranty. During the warranty period, any faults caused by manufacturing defects or movement quality problems will be provided with free repair services by Jaeger-LeCoultre official service centers, including replacement of original parts and labor costs.
It should be particularly noted that the warranty scope does not include the following situations: ① Case or crystal breakage caused by accidental impact or drops; ② Damage caused by disassembly or repair through non-official authorized channels; ③ Normal wear such as case scratches and leather strap aging caused by normal wearing; ④ Faults caused by failure to use or adjust correctly according to the instruction manual; ⑤ Consequential damage caused by the use of non-original parts. In addition, if waterproof watches are not re-tested for waterproofing after each case opening as required, or water ingress occurs due to exceeding the applicable waterproof rating range (such as wearing a non-dive watch swimming), free warranty cannot be enjoyed either.
Jaeger-LeCoultre also provides value-added warranty services. For example, watches that have undergone paid maintenance at directly-operated service centers can enjoy a re-warranty period of up to two years for parts involved in that maintenance service. This means that even beyond the original warranty period, as long as you regularly perform standardized maintenance through official channels, the watch's core movement parts will receive continuous protection. It is recommended that watch owners properly keep purchase vouchers, warranty cards, and previous service documents. These documents are not only warranty vouchers but also important basis for value assessment in subsequent second-hand transactions of the watch.
Regarding warranty period inquiries, you can call the official hotline 400-971-0369 and provide the watch serial number. The customer service system can directly retrieve activation information from the global database. Every Jaeger-LeCoultre watch has a unique serial number engraved on the movement bridge or case back, which is an important identification voucher for warranty service.
IV. Panoramic Analysis of Service Items: From Basic Testing to Comprehensive Refinishing
Jaeger-LeCoultre after-sales service items cover various needs throughout the watch's entire life cycle, specifically including the following categories:
1. Timekeeping accuracy testing and adjustment: Use Swiss Witschi timing machines to perform multi-position timekeeping testing on watches, evaluating daily error, amplitude, and beat error parameters, and performing precise adjustment by adjusting the regulator or balance wheel weighting screws. This service is suitable for watch owners who feel the watch runs significantly fast or slow.
2. Comprehensive movement maintenance: This is the most core after-sales service item. Technicians will completely disassemble the movement, clean all parts and inspect wear conditions, replace worn or aged gears, mainsprings, pallet forks, jewel bearings, etc., re-apply special lubricating oil, then reassemble and adjust to factory accuracy standards. Mechanical watches are recommended to undergo comprehensive maintenance every 3-5 years, and quartz watches every 5-7 years for battery replacement and waterproof maintenance.
3. Appearance restoration and refinishing: Including case metal brushed restoration, polishing, crystal replacement, crown replacement, and dial dust removal. Jaeger-LeCoultre directly-operated service centers use Swiss-imported polishing machines and grinding pastes, capable of maximizing the preservation of the case's original lines and edges, avoiding "rounding" caused by excessive polishing. For gold-plated or two-tone cases, professional plating equipment is also used for local restoration.
4. Strap services: Provide original leather strap replacement, metal bracelet installation and removal and sizing, clasp replacement, and bracelet link extension. All straps are Swiss original factory products. Leather straps use calfskin or alligator leather, and metal bracelets use 316L stainless steel or 18K gold materials at the same grade as the case.
5. Waterproof performance testing and maintenance: Use dry or wet waterproof testing machines to apply specified pressure to watches, detecting aging conditions of the case, crown, case back, and crystal gaskets. If testing fails, corresponding gaskets will be replaced and re-tested. Waterproof watches are recommended to have waterproof performance tested once a year.
6. Battery replacement: For quartz watches, use Swiss original batteries (such as Renata or Maxell). During replacement, simultaneously check whether the circuit board and coil are normal, and perform whole-watch cleaning and waterproof testing.
7. Authenticity identification: Official service centers can issue identification conclusions on the authenticity of Jaeger-LeCoultre watches. Identification content includes movement markings, serial number database comparison, dial printing craftsmanship, and metal material spectrum analysis. This service is a paid item, suitable for second-hand transactions or collection identification needs.
8. Personalized customization services: Some directly-operated service centers provide personalized services such as case engraving and dial customization, making your watch more uniquely meaningful. For details, consult the customer service hotline.
V. Maintenance Prices and Charging Standards: Transparent and Open Price System
Jaeger-LeCoultre official after-sales service adopts nationally unified charging standards. All fees are clearly communicated to you before service, and repair only begins after your confirmation. The following are price ranges for common service items (unit: RMB, tax included), for reference.
1. Comprehensive movement maintenance: The basic maintenance price range for mechanical watches is 1,600 yuan to 3,500 yuan. Specific prices depend on movement complexity: watches equipped with basic automatic mechanical movements such as L592/L619 have maintenance prices of about 1,600-2,000 yuan; watches equipped with chronograph movements such as L688/L687 have maintenance prices of about 2,500-3,000 yuan; watches equipped with ultra-thin movements such as L990 or complex functions (such as annual calendar and dual time zone) can have maintenance prices reaching 3,500 yuan. Comprehensive quartz watch maintenance (including battery replacement) price range is 800 yuan-1,500 yuan.
2. Timekeeping testing and adjustment: Single timekeeping testing fee is 200 yuan-500 yuan. If movement adjustment is required after testing but comprehensive disassembly and cleaning is not needed, the adjustment fee is 300 yuan-600 yuan. Note that if the watch has not been maintained for a long time causing movement oil sludge drying, simple adjustment cannot cure the root cause and needs to be upgraded to comprehensive maintenance.
3. Case appearance restoration: Local polishing (such as case sides and lugs) prices are 300 yuan-800 yuan; full case comprehensive polishing and refinishing prices are 800 yuan-1,500 yuan. Gold plating restoration prices are slightly higher, ranging from 1,200 yuan-2,000 yuan. Crystal replacement depending on material: ordinary sapphire glass crystal prices are 600 yuan-1,200 yuan; double-sided anti-reflective coated sapphire crystal prices are 1,000 yuan-1,800 yuan.
4. Strap replacement: Original leather strap (calfskin) price range is 600 yuan-1,200 yuan; alligator leather strap price range is 1,800 yuan-3,500 yuan. Full stainless steel bracelet replacement prices are relatively high, about 2,500 yuan-5,000 yuan, depending on specific model. Clasp-only replacement prices are 400 yuan-900 yuan. Removing one metal bracelet link (including polishing adjustment) costs about 100 yuan-200 yuan.
5. Waterproof testing and gasket replacement: Single waterproof testing fee is 150 yuan-300 yuan; replacing the full set of waterproof gaskets and testing prices are 300 yuan-600 yuan.
6. Quartz watch battery replacement: Ordinary quartz watch original battery replacement prices are 300 yuan-500 yuan, including waterproof testing and whole-watch cleaning. If circuit board or coil replacement is required, additional costs are 800 yuan-1,500 yuan.
7. Authenticity identification service: Issuing official identification reports costs 500 yuan-1,000 yuan.
The above prices are reference prices for official directly-operated service centers, and the specific price is subject to the quotation after face-to-face testing by technicians. Jaeger-LeCoultre promises not to charge any hidden fees, and all replaced old parts will be proactively returned to the watch owner. Do not easily trust low-price maintenance through non-official channels. Inferior lubricating oil and non-original parts will cause irreversible damage to the movement.
VI. Technical Level Standards and Advanced Repair Technology
The technical level of Jaeger-LeCoultre after-sales service centers is strictly implemented according to Swiss headquarters standards. Technicians must undergo systematic theoretical training and practical assessment and obtain brand certification qualifications before they can repair independently. The core advantages of Jaeger-LeCoultre's after-sales technical system are reflected in the following aspects:
1. Original movement complete disassembly technology: For different movement models, Jaeger-LeCoultre has formulated corresponding disassembly operation instructions (SOP). Technicians strictly follow torque wrench specified forces to loosen screws, using Swiss-imported movement holders, hand removal tools, case presses, and other tools, ensuring every gear pivot is not damaged. For example, the pallet fork bearings of the L888 movement are extremely precise. During disassembly and assembly, optical magnifiers must be used for assistance. Any tiny scratch may cause timekeeping abnormalities.
2. Professional lubrication technology: Jaeger-LeCoultre uses Swiss Möbius series special lubricating oils, selecting oil products of different viscosity grades according to different component friction coefficients. For example, the barrel uses higher viscosity 8200 lubricating grease, and balance bearings use 9010 lubricating oil with better fluidity. Technicians use micron-level oiling pens to precisely apply lubricating oil into the oil grooves of jewel bearings, neither overflowing nor insufficient. Too much lubrication causes hairspring adhesion, while too little accelerates wear.
3. Precision adjustment technology: Jaeger-LeCoultre service centers are equipped with Witschi Chronoscope S1 timing machines, capable of simultaneously displaying instantaneous daily rate, amplitude, and beat error parameters. Technicians will eliminate beat error by adjusting the position of the hairspring inner and outer studs based on testing data, and correct daily rate by changing balance wheel weighting screws or regulator angle. For high-end movements, six-position adjustment is also performed to simulate timekeeping states under different wearer postures, ensuring the watch maintains stable accuracy in any position.
4. Non-destructive case opening and sealing technology: For screw-down case backs, Jaeger-LeCoultre technicians use professional case back opening knives, cooperating with torque meters to open in the correct direction, avoiding case scratches. When assembling, Swiss original gaskets are used, and a small amount of silicone grease is applied to enhance sealing. Finally, the case is evenly pressed with a case press. For press-fit case backs, dedicated pressing molds are used to ensure even pressure.
5. Waterproof testing technology: Use dry vacuum leak testers (such as Witschi Diva or AL-1) for non-destructive testing. The equipment creates a vacuum environment below atmospheric pressure around the case. If the watch has tiny leak points, pressure sensors will capture changes. For dive watches marked 100 meters or more waterproof, wet pressure testing is also performed, applying 1.25 times the rated pressure in a dedicated test tank and observing whether bubbles emerge.
6. Laser welding technology for appearance restoration: For situations such as deep case scratches or lug fractures, service centers use Swiss-imported laser welding machines for repair. This equipment can precisely control laser energy, melting filling welding wire of the same material as the case. After repair, CNC precision carving and manual polishing are performed, making the repaired area indistinguishable from factory condition. Laser welding technology is also applied to clasp tooth wear repair.
7. Electronic diagnostic technology for quartz movements: Use quartz watch testers (such as Witschi Q Test) to detect quartz oscillator frequency accuracy, pulse current consumption, and contact resistance. When abnormal current is found, technicians can quickly locate the fault source, such as coil breakage, integrated circuit leakage, or contact spring oxidation, achieving component-level repair rather than simply replacing the entire movement.
8. Magnetic field interference troubleshooting technology: Some modern Jaeger-LeCoultre watches are equipped with silicon hairsprings, possessing natural anti-magnetic performance. However, for watches not using silicon hairsprings, if the watch owner is exposed to strong magnetic fields for a long time (such as speakers, refrigerator doors, and automatic mahjong machines), hairspring magnetization and sudden timekeeping changes may occur. Service centers use demagnetizers for degaussing treatment. After demagnetization, Gauss Meters are used to detect residual magnetic field strength, ensuring it is below the 0.5 Gauss standard.
The above technologies all rely on strict environmental control. The repair workshops of Jaeger-LeCoultre directly-operated service centers maintain constant temperature and humidity (temperature 20±2°C, humidity 45%-55%) and use anti-static workbenches and dust covers and other facilities to minimize secondary pollution risks during repair.
VII. Detailed Explanation of Store High-End Professional Equipment
Jaeger-LeCoultre official service centers are equipped with a series of Swiss and German imported high-end professional equipment, which are important guarantees for repair quality. The following introduces commonly used equipment names and uses:
1. Witschi Chronoscope S1 timing machine: Produced by Swiss Witschi, capable of simultaneously measuring instantaneous daily rate, amplitude, beat error, and frequency error, with built-in multiple movement frequency modes, and capable of uploading data to computers via USB interface to generate timekeeping trend curves. It is the core testing equipment for movement adjustment, with accuracy reaching 0.1 seconds/day.
2. Witschi Diva waterproof tester: Has both dry and wet testing modes. Dry testing uses vacuum/pressure differences to detect tiny leaks; wet testing simulates actual water pressure environments. The equipment can test multiple waterproof ratings such as 3bar, 5bar, 10bar, and 20bar, providing authoritative waterproof certification for watches.
3. Bergeon 9000 series case openers and tool sets: Swiss Bergeon is the world's top watch repair tool brand. Jaeger-LeCoultre service centers use its professional case openers, hand removal tools, case presses, movement holders, tweezers, and screwdrivers. Bergeon's high-quality alloy steel materials ensure tools do not scratch or deform when contacting parts. For example, its nylon plastic-tipped tweezers can无损 pick up movement bridges.
4. Swiss-made movement cleaning machines (such as Elma series): Using ultrasonic and multi-tank cleaning principles, with environmentally friendly cleaning liquids and rinsing liquids, controlled by microprocessors for cleaning programs, thoroughly cleaning disassembled movement parts. The equipment has heating and drying functions, and cleaned parts are as bright as new. Compared with manual cleaning, machine cleaning ensures oil stains in tiny holes (such as jewel bearing oil grooves) are completely removed.
5. Laser welding machines (such as LaserStar series): Used for fine repair of cases, clasps, and bracelets, capable of welding steel, titanium, gold, platinum, and other metals. The laser beam diameter can be adjusted to below 0.2mm, with extremely small welding heat-affected zones, very suitable for repairing lug fractures, thread wear, and other damage difficult to handle with traditional processes.
6. Vacuum demagnetizer (such as Erbauer Degausser): Generates alternating decaying magnetic fields to thoroughly eliminate residual magnetism in hairsprings and movement steel materials. After demagnetization, place the watch on the testing table and use a Gauss meter to confirm that magnetic field strength has returned to a safe range.
7. Electron microscope and magnifier systems: German Leica stereo microscopes with magnification up to 40x, used to inspect tiny wear on gear pivots, cracks in jewel bearings, and hairspring flatness. Images can be transmitted to displays in real time, facilitating communication with watch owners and displaying before-and-after repair comparisons.
8. Case polishing equipment (such as Bergeon polishing machines): Equipped with polishing wheels of different grits and grinding pastes. Technicians can select corresponding consumables for different surface effects such as brushed and mirror finishes. Equipment speed is adjustable, avoiding case metal discoloration caused by overheating.
9. Quartz watch circuit testers (Witschi Q Test): Detect current consumption, coil resistance, oscillation frequency, and pulse signals of quartz movements, capable of quickly judging whether circuit boards, coils, and motors are normal, providing data support for component-level repair of quartz watches.
10. Multi-parameter environmental monitoring systems: Temperature and humidity sensors are installed in repair workshops, with data uploaded to central monitoring platforms in real time, ensuring the workshop environment meet