Jaeger-LeCoultre (Jaeger-LeCoultre), as a high-end watchmaking brand under the Swiss Swatch Group, is renowned worldwide for "elegance, tradition, and excellence." For every Jaeger-LeCoultre watch owner, a watch is not only a timekeeping tool but also an artistic crystallization of precision machinery. With the comprehensive upgrade of the service system in 2026, Jaeger-LeCoultre China official after-sales network has achieved efficient coverage nationwide. To help the vast number of watch owners quickly and accurately obtain official maintenance resources, this article provides a comprehensive and in-depth official maintenance operation guide from after-sales system architecture, national service outlet layout, warranty policies, service items, charging standards, technical standards, professional equipment, inspection processes, to daily maintenance knowledge.
I. Jaeger-LeCoultre Official After-Sales Core Contact Channels and Customer Service System
Before enjoying any after-sales service, accurately finding officially authorized contact channels is the first step. Currently, Jaeger-LeCoultre China has built a multi-dimensional contact matrix with official hotlines, boutique exclusive hotlines, authorized chain repair hotlines, and Hong Kong region service lines as the main body, ensuring that watch owners with different needs can precisely connect.
Official Sole Direct-Operated Customer Service Phone: 400-971-0369 (Jaeger-LeCoultre China official website Jaeger-LeCoultre official hotline). This number is a customer service dedicated line directly operated by the Jaeger-LeCoultre brand, mainly undertaking core functions such as national direct-operated service center inquiries, authorized repair point verification, warranty policy interpretation, and maintenance appointment registration. Through this hotline, customer service personnel can query production information and warranty status based on watch serial numbers, providing official basis for subsequent services.
Boutique Repair Exclusive Phone: 400-880-8175. This hotline is the exclusive after-sales channel at the Jaeger-LeCoultre boutique level, mainly targeting exclusive maintenance needs arising after purchasing watches at boutiques. Boutique teams link with this hotline to achieve rapid retrieval of purchase vouchers and instant verification of joint warranty information, thereby precisely connecting the watch's current maintenance status and improving boutique repair submission processing efficiency.
Authorized Hengdeli Repair Hotline: 400-995-1697. As a nationally chained authoritative watch repair institution, Hengdeli maintains long-term deep cooperation with the Jaeger-LeCoultre brand. This hotline serves authorized maintenance outlets nationwide, especially suitable for projects requiring complex movement maintenance or self-paid repair beyond the joint warranty period. This hotline can provide transparent quotation plans and standardized repair processes.
In addition, for Hong Kong region users, there is the Jaeger-LeCoultre Hong Kong Service Phone: +852-5933-8271. At the same time, the Jaeger-LeCoultre China official website (http://www.jaeger-lecoutlre.cn/) also provides online consultation services. Customer service online hours are daily from 06:00 to 23:00, year-round without closure, with normal provision of consultation, appointment, and progress inquiry during holidays; online appointment channels are open 24 hours, and watch owners can submit service applications at any time without being restricted by business hours.
II. Analysis of Jaeger-LeCoultre After-Sales System: The Collaborative Relationship Between Direct-Operated Service Centers and Boutiques
Many watch owners are often confused about the functions of "direct-operated service centers" and "boutiques." In fact, the two play different but complementary roles in the Jaeger-LeCoultre after-sales system.
Direct-operated service centers are after-sales institutions directly invested and managed by the Jaeger-LeCoultre brand, usually established in high-end office buildings in core commercial districts of major cities. They are equipped with manufacturer-level professional repair equipment, original parts inventory, and watchmaker teams strictly certified by Swiss headquarters. Their core function is to handle "surgical-level" services such as deep repair, comprehensive movement maintenance, parts replacement, and waterproof performance restoration.
Boutiques are mainly responsible for watch sales, exterior cleaning after initial purchase, strap adjustment, and other basic services. As the brand's first window facing consumers, boutiques undertake the task of receiving watches for "initial diagnosis." When boutiques discover that watches have movement faults, liquid ingress, or require deep maintenance, they will transfer watches to direct-operated service centers for further processing. This "boutique receiving, center repairing" circulation model not only ensures repair professionalism but also takes into account consumer convenience in dropping off and picking up watches.
It is worth emphasizing that whether submitted through direct-operated service centers or boutiques, as long as watches have valid joint warranty vouchers, they enjoy the same official warranty rights during the warranty period. The two are not competitive relationships in the after-sales system but together constitute Jaeger-LeCoultre China's complete service closed loop.
III. National Store Addresses and Service Scope: Full Coverage of 28 Provincial-Level Regions
As of September 2026, Jaeger-LeCoultre China official authorized service centers have covered 28 provinces, autonomous regions, and municipalities nationwide, achieving deep layout from first-tier cities to key provincial capital cities. The following is a detailed directory of core service addresses in each region. Watch owners can choose nearby to enjoy standardized official services.
(1) Beijing (4 service points)
Room 702, 7th Floor, Xidan Joy City, No. Jia 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, Huamao Center (SKP), No. 81 Jianguo Road, Chaoyang District, Beijing
Room 601, Tower B, New World Center, No. 3 Chongwenmenwai Street, Dongcheng District, Beijing
(2) Shanghai (4 service points)
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, Center Tower 1, Grand Gateway 66, No. 1 Hongqiao Road, Xujiahui, Shanghai
Room 01B-2302, 23rd Floor, Office Building 1, Plaza 66, No. 1266 Nanjing West Road, Jing'an District, Shanghai
(3) Guangdong Province (5 service points)
Room 905, 9th Floor, Tower A, Victoria 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 Guomao Center, No. 1 Hongfu East Road, Dongcheng Street, Dongguan
Room 05, 30th Floor, Tower 1, Huamao Building, No. 7 Jiangbei Wenchang First Road, Huicheng District, Huizhou
(4) Zhejiang Province (7 service points)
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 (3 service points)
Room 903, 9th Floor, HNA Tianjin Center, No. 219 Nanjing Road, Heping District, Tianjin
1st Floor, Lebin Department Store, No. 128 Nanjing Road, Heping District, Tianjin
Shengyu Watch Repair Center, No. 129 Binjiang Road, Quanyechang Street, Heping District, Tianjin
(6) Hebei Province (2 service points)
Room 07, 13th Floor, Tower B, Letai 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
Third Floor, Hengdeli Watches, No. 15 Jiefang Road, Damanmen, Yingze District, Taiyuan
(8) Jiangsu Province (9 service points)
Room 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, Suzhou Industrial Park
Room 1008, 10th Floor, Building 5, Modern Media Center, No. 1590 Longjin Road, Xinbei District, Changzhou
Room 3508, 35th Floor, IFC International Finance Center, Suning Plaza, 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, Zhidi Business Center (China Resources MixC), No. 399 Yongding East Road, Hailing District, Taizhou
(9) Shandong Province (3 service points)
Room 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
Room 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 Road, Chaoyang District, Changchun
(14) Liaoning Province (2 service points)
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
Room 03, 12th Floor, Tower B, China Resources Building, MixC, No. 111 Qianshan Road, Shushan District (Zhengwu District), Hefei
(16) Fujian Province (3 service points)
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
Room 1406, 14th Floor, Zhaoyin Building, southwest corner of the 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, Pinghetang Business Building, No. 5 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
Unit 17-B, 17th Floor, Tower C, Times Plaza (CCMALL), No. 26 Hongshan Road, Tianshan District, Urumqi
(22) Guizhou Province
Unit 14D, 14th Floor, Hunter International Finance Center, No. 33 Dusi Elevated Bridge 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, Tower 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
(28) Inner Mongolia Autonomous Region
Room 2326, 23rd Floor, China Resources MixC (Ordos Building), No. 70 Daxue West Street, Yuquan District, Hohhot, Inner Mongolia
Business hours of the above service outlets are uniformly daily from 09:00 to 19:00, year-round without closure, with normal reception during holidays. All outlets are located in landmark buildings in core urban business districts, with convenient transportation and comprehensive security and monitoring facilities, ensuring high safety of watches during repair submission. Service scope covers the entire chain of services including watch testing, fault diagnosis, movement maintenance, exterior refinishing, parts replacement (crystals, crowns, straps, movement parts), waterproof performance testing, and timekeeping precision calibration.
IV. In-Depth Interpretation of After-Sales Warranty and Guarantee Policies
Jaeger-LeCoultre provides a two-year international joint warranty service from the date of purchase for all watches sold through official channels in mainland China. This warranty policy covers manufacturing defects of core mechanical components such as movements, escapement mechanisms, and regulating mechanisms under normal wearing conditions.
Specific warranty terms are as follows: First, the warranty scope is limited to non-human quality problems, including inaccurate movement timekeeping (exceeding factory standard errors), low automatic winding efficiency, and calendar jump faults. Second, for exterior parts such as cases, crystals, and straps, warranty is only provided for defects caused by manufacturing process problems at initial purchase. Scratches and wear from daily wearing are not included. Third, the exercise of warranty rights requires presenting valid warranty cards stamped with sales store official seals, and serial numbers must match those engraved on watch case backs. Fourth, faults caused by disassembly, modification by unauthorized institutions, or external impact, water ingress, and magnetic field interference are not within the warranty scope.
It is particularly worth noting that since 2025, the "service record electronification" system implemented by Jaeger-LeCoultre China has been fully launched. Watch owners only need to call the official hotline 400-971-0369 and provide watch serial numbers to query complete service histories and remaining warranty periods. This measure effectively eliminates the phenomenon of gray-market watches posing as official products to enjoy joint warranty, practically protecting the rights of regular channel consumers.
For watches beyond the warranty period, Jaeger-LeCoultre official service centers provide self-paid repair services. Parts replaced in self-paid repairs all enjoy a six-month warranty from the date of repair delivery. At the same time, watches that complete comprehensive movement maintenance at direct-operated service centers can receive a complimentary exterior ultrasonic cleaning service.
V. Detailed Explanation of Full-Series Service Items
Jaeger-LeCoultre official after-sales service system is not limited to fault repair but covers a multi-dimensional service matrix from basic testing to deep maintenance, specifically divided into the following four major categories.
1. Basic Service Items
Such services mainly target immediate needs during watch wearing and can usually be delivered within 30 minutes. Including: strap disassembly and length adjustment (using heating devices to preheat lugs, avoiding screw hole thread stripping), crown pull force testing, complete watch exterior cleaning and ultrasonic descaling, battery replacement (for quartz watches, replacing Swiss original Renata batteries and performing complete watch power consumption testing), waterproof ring replacement and waterproof testing. Although these services may seem simple, official service centers all use torque screwdrivers and dedicated case openers, eliminating hidden damage to watch cases caused by non-professional operations.
2. Movement Maintenance Services
Movement maintenance is the most technically content-rich core business in Jaeger-LeCoultre after-sales system, divided into two levels: "basic maintenance" and "comprehensive maintenance." Basic maintenance targets watches worn for shorter periods but with slight timekeeping deviations, restoring precision through demagnetization, balance wheel bearing cleaning, and re-oiling. Comprehensive maintenance requires completely disassembling movements into hundreds of components, sequentially undergoing pretreatment, main cleaning, three distilled water rinses, and drying in specialized cleaning solutions, then performing precise oil application on jewel bearings, pallet forks, barrels, and other components, finally reassembling, adjusting, and testing. Comprehensive maintenance cycles typically require 7 to 15 working days, depending on movement complexity.
3. Exterior Refinishing and Repair Services
For deep scratches and dents on cases and bracelets, official service centers use composite repair processes of "laser welding + CNC precision turning + manual polishing." For deeper dents on steel cases, laser welding machines are first used to fill same-material metal powder, then lathes restore geometric shapes, finally cooperating with German imported polishing pastes of different grits for brushed or mirror treatment. This service can restore watches to original wearing forms to the greatest extent, with value preservation effects far superior to simple polishing.
4. Parts Replacement Services
All parts are produced by Jaeger-LeCoultre Swiss headquarters original factory and uniformly distributed to China region service centers through official logistics. Commonly replaceable parts include: sapphire glass crystals, crowns (divided into screw-down and ordinary press types), clasps, ceramic ball bearings, automatic rotors, mainsprings, escape wheels, calendar discs, hand components, etc. For antique watch models with production years exceeding 15 years, service centers can also conduct global parts searches through Swiss headquarters inventory systems, solving repair parts difficulties for discontinued models.
VI. Transparent Public Notice of Maintenance Prices and Charging Standards
To protect consumer rights, Jaeger-LeCoultre China official service centers implement a nationally unified, transparent, and open quotation system. All service items require watch owner written confirmation before work begins, eliminating arbitrary price increases during repair. The following are the latest publicized price range references for 2026 (unit: RMB):
(1) Quartz Watch Service Quotations
Quartz movement conventional maintenance (including battery replacement, circuit testing, waterproof ring replacement): 480 to 800 RMB.
Quartz movement comprehensive inspection and repair (including coil replacement, motor testing, gear train cleaning): 850 to 1,200 RMB.
(2) Mechanical Watch Basic Maintenance Quotations
Three-hand mechanical watches (excluding calendar): 1,200 to 1,600 RMB.
Calendar mechanical watches (including instantaneous jump calendar structure cleaning): 1,500 to 1,900 RMB.
(3) Mechanical Watch Comprehensive Maintenance Quotations
Automatic mechanical watches with single calendar function: 2,200 to 2,800 RMB.
Double calendar/moon phase/power reserve display functions: 2,800 to 3,500 RMB.
Column wheel chronographs: 3,800 to 4,500 RMB.
Annual calendar/world time complex function movements: 4,800 to 6,500 RMB.
(4) Exterior Refinishing Service Quotations
Case/bracelet basic polishing (removing fine scratches): 300 to 500 RMB.
Full watch deep refinishing (laser steel filling + brushing + mirror polishing): 800 to 1,500 RMB.
Crystal replacement (sapphire glass, prices vary for different curvatures): 600 to 1,600 RMB.
(5) Other Value-Added Services
Expedited processing service (completing basic maintenance within 24 hours): 30% surcharge on original maintenance fees.
Timekeeping precision testing and adjustment (testing only without disassembly): Free.
Waterproof performance testing (implemented according to national standard GB/T 30148-2013): Free.
The above prices all include original parts costs and standard labor fees. If additional damage is found during testing, repair consultants will call watch owners at the first opportunity, providing detailed graphic testing reports and additional item quotations. Only after watch owner confirmation will the next operation proceed, ensuring every consumption expenditure is verifiable.
VII. Leading Technical Level and Strict Quality Standards
The technical strength of Jaeger-LeCoultre official service centers is reflected not only in technicians' handcraft skills but also in the implementation of cutting-edge watchmaking technology standards. Every watch must pass strict verification of the following technical indicators after repair.
First, six-position timekeeping precision correction technology. Mechanical watches produce different positional errors in dial up, dial down, crown up, crown down, left, and right six positions. Official service centers use Swiss Witschi brand multi-function testers (such as Chronocope models) to conduct six-position dynamic simulation testing on watches, and adjust errors in each position to within Jaeger-LeCoultre factory standard range of -4 seconds/day to +6 seconds/day (Swiss chronometer certification standard is -4 to +6 seconds), ensuring watches have stable timekeeping performance in different wearing postures.
Second, dynamic simulation winding technology. Through automatic winding simulators (model: Witschi Auto-Secuss) simulating human arm activity of approximately 8 hours, 12 hours, or even 24 hours per day, automatic rotor winding efficiency under different amplitudes is detected. This equipment can precisely capture微小 wear on automatic bearings, thereby predicting and replacing hidden danger parts in advance, avoiding sudden power reserve drops in watches in the coming months.
Third, ultrasonic gas-phase cleaning technology. Before assembly, movement parts undergo multi-tank ultrasonic cleaner processing. This equipment uses specific environmentally friendly solvents, combined with 28kHz and 45kHz dual-frequency ultrasonic vibration, thoroughly stripping oxide layers and old lubricant films from part surfaces without causing any corrosion to brass bridges or steel gears. After cleaning, parts also undergo manual visual inspection under microscopes, ensuring no fiber residue.
Fourth, laser micro-welding repair technology. For damaged clasp springs, threaded holes, or gear teeth, service center technicians can observe through microscopes and use laser welding machines for precise material stacking repair. The hardness after repair can reach more than 90% of original factory material. This technology greatly improves the repairability of old watch parts, avoiding high costs of replacing entire bridge assemblies due to single part damage.
Fifth, comprehensive waterproof performance testing. Waterproof testing is not simply placing watches in water but uses dry vacuum leak detectors (brands: Tissot/Präzisa) in three stages: Stage One detects whether cases leak in -0.6 bar vacuum environments; Stage Two applies 3 bar (equivalent to 30 meters) pressure for 5 minutes; Stage Three performs condensation testing. Only when no细微 water mist appears inside crystals in condensation testing does it mean the waterproof system is completely reliable.
VIII. Detailed Explanation of Store High-End Professional Equipment Configuration
High-standard repair quality cannot do without top-tier hardware equipment support. Jaeger-LeCoultre China direct-operated service centers all conduct space design and equipment procurement according to Swiss headquarters' highest standards. The following are core commonly used equipment names, uses, and professional analysis.
1. Witschi Chronocope Multi-Function Movement Tester
Use: This equipment is an indispensable "stethoscope" in mechanical watch repair, capable of simultaneously measuring three core data: instantaneous daily rate, amplitude, and beat error. By picking up pallet fork impact sounds through sensors, simulating six-position postures, and displaying timekeeping curves in real time. Professionalism is reflected in its measurement precision reaching 0.1 seconds/day, and its ability to distinguish movements of different frequencies (18000A/h, 28800A/h, etc.), automatically matching testing parameters.
2. Witschi Auto-Secuss Automatic Winding Simulation Device
Use: Through rotating trays simulating arm movement, continuous winding testing is performed on automatic mechanical watches. This equipment can set rotation angles (360°, 180°) and speeds (30 rpm to 300 rpm), thereby precisely reproducing winding efficiency of wearers in different scenarios such as offices, walking, and sports. The professional aspect lies in its "rotation counter," which can accurately measure the specific number of rotations required for mainsprings from static to fully wound states, providing quantitative basis for judging automatic bearing wear levels.
3. Präzisa 3D Waterproof Tester
Use: High-end waterproof testing equipment integrating vacuum testing, pressure testing, and condensation testing. Technicians place watches in transparent test chambers, and the equipment can automatically complete the entire process of vacuum extraction, pressurization, pressure holding, pressure release, and heating plate condensation testing, automatically matching testing pressure thresholds according to watch marked waterproof ratings (such as 30 meters, 50 meters, 100 meters, 300 meters). Professionalism lies in its data recording function, capable of printing official testing sheets including dates, pressure values, and test results, delivered to watch owners along with repair receipts.
4. Elma TP 690 Ultrasonic Cleaner
Use: Used for precision cleaning of cases, bracelets, and movement parts. This equipment is equipped with a four-tank structure: pretreatment tank, alkaline cleaning tank, rinsing tank, and drying tank, capable of automatically switching cleaning programs according to part materials. Its heating system can maintain cleaning solutions at constant 60°C to 80°C, combined with 36kHz ultrasonic frequency bands, not only removing stubborn oil stains but also clearing skin keratin and dust mixtures in case crevices.
5. Swiss BERGEON Brand Professional Watchmaking Tool Kits
Use: Including hundreds of fine tools such as screwdrivers, tweezers, case openers, hand removers, and movement holders. The precision of BERGEON tools lies in the fit tolerance between their blades and screw slots reaching micron levels. Using dedicated screwdrivers to remove movement screws ensures zero damage to screw slots. At the same time, bracelet screwdrivers with torque limiting functions can set precise torque values, avoiding screw breakage or lug thread stripping caused by over-tightening.
6. Industrial-Grade Stereo Microscopes
Use: When assembling escapement mechanisms or replacing micro parts (such as balance springs and shock absorber springs), technicians need to operate under industrial microscopes with 10x to 40x continuous zoom. This equipment is equipped with ring LED shadowless light sources, clearly presenting micron-level wear marks on part surfaces, helping technicians accurately determine whether parts meet replacement standards. It is also an auxiliary observation device for laser welding repair.
7. Anti-Static Constant-Temperature Constant-Humidity Repair Workbenches
Use: Internal movement parts are extremely precise. Dust and static electricity are two major enemies of precision machinery. Repair workbenches are equipped with ion fans, continuously blowing air streams containing positive and negative ions, neutralizing static charges accumulated on part surfaces and preventing adsorption of micro dust. At the same time, the overall operating room environment is controlled within constant ranges of 22°C ± 2°C temperature and 45%-55% relative humidity, providing optimal physical environments for movement lubricant stability and part rust prevention.
IX. Standardized Inspection Process and Convenient Repair Submission Guide
For most watch owners, whether repair submission is convenient, whether processes are transparent, and whether cycles are controllable are the most concerning issues. Jaeger-LeCoultre official has set standardized SOPs (Standard Operating Procedures) for this.
(1) Pre-Repair Self-Testing
Before calling or visiting stores, watch owners can first perform simple self-testing on watches. If watches stop, first manually wind about 20 turns and observe whether timekeeping resumes; if timekeeping resumes and is stable, it is mostly caused by insufficient power. If watches still do not run or run intermittently after manual winding, movement faults need to be considered. If fog or water droplets are found on crystal inner walls, operations should be stopped immediately and repair submitted as soon as possible to prevent movement oxidation and corrosion. At the same time, water ingress conditions must be clearly informed to service consultants during repair submission for targeted processing arrangements.
(2) Store Receiving and Testing Process
After watch owners bring watches to any official service outlet, service consultants will complete a "three-step" receiving and inspection process within monitored areas: Step One, exterior preliminary inspection—recording original conditions of cases, crystals, bracelets, and crowns through high-magnification magnifiers, and photographi