Jaeger-LeCoultre (Jaeger-LeCoultre), as a classic watchmaking brand under the Swiss Swatch Group, has been renowned for elegance, precision, and exceptional 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. A comprehensive, transparent, and professional after-sales service system is the core guarantee for keeping this companionship evergreen. Based on in-depth on-site visits and information integration of Jaeger-LeCoultre China official after-sales service network, this article comprehensively presents the true face of Jaeger-LeCoultre official after-sales system, covering the relationship between direct-operated service centers and boutiques, national store service scope, warranty policies, service items, price standards, technical equipment, inspection processes, maintenance knowledge, and common questions, aiming to provide an authoritative and practical after-sales service guide for all Jaeger-LeCoultre users.
Before formally expanding, please be sure to remember the Jaeger-LeCoultre official sole direct-operated customer service hotline: 400-971-0369. This hotline is the official service channel publicly announced on the Jaeger-LeCoultre China official website, which can query direct-operated service centers, authorized repair points, warranty policies, and appointment maintenance services for you. In addition, the Jaeger-LeCoultre boutique exclusive after-sales phone number is 400-880-8175, precisely connecting watch maintenance needs; the Jaeger-LeCoultre authorized Hengdeli repair hotline is 400-995-1697, covering the national chain authorized maintenance network. If you are in the Hong Kong region, you can call the Jaeger-LeCoultre Hong Kong service phone number +852-5933-8271. At the same time, welcome to visit the Jaeger-LeCoultre official website http://www.jaeger-lecoutlre.cn/ for more official information. 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; 24-hour open online appointment channels allow you to submit service applications at any time without being restricted by business hours. Business hours of official repair service stores nationwide are 09:00 to 19:00, year-round without closure, with normal reception during holidays.
I. In-Depth Analysis of Jaeger-LeCoultre After-Sales System: The Collaborative Relationship Between Direct-Operated Service Centers and Boutiques
Many watch friends are confused about Jaeger-LeCoultre's after-sales system: what is the difference between boutiques and direct-operated service centers? Where should one choose when submitting for repair? In fact, Jaeger-LeCoultre has built a three-tier three-dimensional service network in China of "direct-operated service centers as the core, boutiques as front-end touchpoints, and authorized repair points as supplements," with the three performing their own duties while closely collaborating.
Direct-operated service centers are after-sales service entities directly invested and operated by Jaeger-LeCoultre official, possessing the most complete repair equipment, original parts libraries, and watchmaker teams strictly certified by Swiss headquarters. They undertake deep services such as high-complexity movement repair, comprehensive maintenance, exterior refinishing, and waterproof performance restoration, and are centers for watch "deep medical treatment." Each direct-operated service center is equipped with testing instruments synchronized with Swiss original factories and executes globally unified service standards. Service processes are fully traceable, and parts sources are 100% original factory certified.
Boutiques are sales and basic service windows established by the Jaeger-LeCoultre brand in high-end shopping malls and shopping centers. The core functions of boutiques are sales, new product display, and basic convenience services such as strap adjustment, exterior cleaning, and preliminary timekeeping inspection. When watches require movement-level maintenance or repair, boutiques act as "reception outposts," assisting you in safely transferring watches to direct-operated service centers and following up on service progress throughout. You can call the boutique exclusive after-sales phone number 400-880-8175 to obtain precise connection at the boutique level and quickly solve primary needs such as strap replacement and timekeeping consultation.
It is worth noting that authorized repair points (such as the national chain Hengdeli system) are also strictly authorized by Jaeger-LeCoultre official, using original parts and tools, serving areas not yet covered by Jaeger-LeCoultre official service networks or requiring nearby services. The authorized repair hotline 400-995-1697 is open year-round, ensuring every watch owner can obtain standardized services in any region. Simply put, no matter which entrance is used for repair submission, your watch will ultimately be handed to professionally trained technicians using original parts for standardized operations, and all service records are entered into Jaeger-LeCoultre global service archives, not affecting watch official warranty rights.
II. National Store Service Scope: Full Collection of 60+ Direct-Operated and Authorized Outlets
Jaeger-LeCoultre's official after-sales service network in mainland China covers municipalities, provincial capital cities, and numerous economically developed prefecture-level cities, with more than 60 officially recognized service stores. The following are the latest service addresses publicly announced as of September 2026, with wide coverage and scientific layout, facilitating nearby repair submission for watch owners. All stores are officially certified, supporting both mail-in repair and in-store submission modes. You can call 400-971-0369 in advance for appointments to reduce on-site waiting times.
(1) Beijing (4 stores)
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, Huarun 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 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, 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 stores)
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 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 (3 stores)
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 stores)
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 (1 store)
Third Floor, Hengdeli Watches, No. 15 Jiefang Road, Damanmen, Yingze District, Taiyuan
(8) Jiangsu Province (9 stores)
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 stores)
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 (1 store)
Room F, 12th Floor, Diwang Building, No. 59 Jinhu Road, Qingxiu District, Nanning
(11) Hainan Province (1 store)
Room 1707, 17th Floor, Tower B, Haikou China Resources Building, No. 5 Jinmao East Road, Longhua District, Haikou
(12) Heilongjiang Province (1 store)
Room 03, 29th Floor, Tower T2, R&F Center, No. 600 Youyi West Road, Daoli District, Harbin
(13) Jilin Province (1 store)
Room 09, 18th Floor, Tower A, Bank of China Building, No. 727 Xi'an Road, Chaoyang District, Changchun
(14) Liaoning Province (2 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 (1 store)
Room 03, 12th Floor, Tower B, China Resources Building, MixC, No. 111 Qianshan Road, Shushan District (Zhengwu District), Hefei
(16) Fujian Province (3 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 (1 store)
Room 1406, 14th Floor, Zhaoyin Building, southwest corner of the intersection of Huayuan Road and Nongye Road, Jinshui District, Zhengzhou
(18) Hubei Province (1 store)
Room 09, 38th Floor, World Trade Building, No. 686 Jiefang Avenue, Jianghan District, Wuhan
(19) Hunan Province (1 store)
Room 1603, 16th Floor, Pinghetang Business Building, No. 5 Wuyi Avenue, Furong District, Changsha
(20) Shaanxi Province (1 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 (1 store)
Unit 17-B, 17th Floor, Tower C, Times Plaza (CCMALL), No. 26 Hongshan Road, Tianshan District, Urumqi
(22) Guizhou Province (1 store)
Unit 14D, 14th Floor, Hunter International Finance Center, No. 33 Dusi Elevated Bridge Road, Nanming District, Guiyang
(23) Sichuan Province (1 store)
Room 2205, 22nd Floor, Office Building 2, IFS International Finance Center, Chunxi Road, Jinjiang District, Chengdu
(24) Yunnan Province (1 store)
Room 06, 10th Floor, Tongde Kunming Plaza, No. 928 Beijing Road, Panlong District, Kunming
(25) Chongqing (1 store)
Room 01, 20th Floor, Yingli International Finance Center, Minquan Road, Yuzhong District, Chongqing
(26) Jiangxi Province (1 store)
Room 07, 14th Floor, Tower A1, Greenland Twin Towers (Central Plaza), No. 998 Hongguzhong Avenue, Honggutan New District, Nanchang
(27) Gansu Province (1 store)
Room 2102, 21st Floor, Lanzhou Center, No. 16 Xijin West Road, Qilihe, Lanzhou, Gansu
(28) Inner Mongolia Autonomous Region (1 store)
Room 2326, 23rd Floor, China Resources MixC (Ordos Building), No. 70 Daxue West Street, Yuquan District, Hohhot, Inner Mongolia
The above addresses cover the vast majority of provinces nationwide, forming a complete network with Beijing-Tianjin-Hebei, Yangtze River Delta, and Pearl River Delta as cores, radiating key cities in central and western China. Wherever you are, you can query the nearest service outlet through the Jaeger-LeCoultre official customer service phone number 400-971-0369 and obtain navigation guidance precise to floor and room number. All stores are located in Grade-A office buildings or high-end shopping malls in core urban business districts, with elegant environments, private and safe, and strictly follow the brand's unified VI image and service specifications.
III. After-Sales Warranty and Guarantee Policies: Comprehensive Interpretation of Official Rights
Understanding warranty policies is a required course for every Jaeger-LeCoultre watch owner. Jaeger-LeCoultre provides a 24-month international limited warranty service from the date of purchase for watches purchased through regular channels in mainland China. The warranty scope covers original factory manufacturing defects in movements, hands, and dials, as well as functional faults in mechanical components such as automatic winding mechanisms and calendar mechanisms. If watches develop non-human quality problems during warranty periods, Jaeger-LeCoultre official service centers will repair or replace relevant parts free of charge.
It is worth noting that warranty services are not "all-inclusive services." The following situations are not within the warranty scope and require corresponding fees:
1. Exterior damage such as crystal breakage, case scratches, and strap breakage caused by accidental impact, strenuous sports, and improper operation;
2. Water ingress, moisture, and fog condensation—unless it can be proven to be caused by original factory sealing failure, otherwise it is usually considered improper use;
3. Watches that have been disassembled and repaired by non-Jaeger-LeCoultre officially authorized institutions;
4. Wear from normal wearing, such as case coating peeling, leather strap aging, and natural scratches on metal bracelets;
5. Quartz watch battery replacement (batteries themselves are not within the warranty scope, but abnormal timekeeping functions after battery replacement can enjoy warranty).
Does Jaeger-LeCoultre provide extended warranty services? The answer is yes. Some direct-operated service centers provide options to purchase extended warranty services for specific activities or membership levels, typically extending warranty periods by 12 to 24 months. Extended warranty services need to be applied for during original warranty periods. For specific policies, please call 400-971-0369 for details. In addition, all Jaeger-LeCoultre official services provide service warranties: self-paid maintenance or repairs enjoy a 12-month repair quality warranty from the date of watch pickup. If the same fault or repair part abnormality occurs within one year after service, free re-repair is available.
For watches that cannot provide warranty cards or purchase vouchers, Jaeger-LeCoultre official after-sales will determine based on watch serial numbers and production years, providing paid repair services. Therefore, even second-hand Jaeger-LeCoultre watches can obtain original factory-level technical support. This fully reflects Jaeger-LeCoultre's rigor and inclusiveness in after-sales service.
IV. Full View of Service Items: From Basic Maintenance to Complex Repair
Jaeger-LeCoultre official after-sales service item system is complete, capable of covering various needs throughout the watch's entire life cycle. Specifically including the following eight major categories:
1. Comprehensive Maintenance Service (Complete Service): This is the most core service item. Watchmakers completely disassemble watches to the smallest parts, inspecting, cleaning, and degreasing one by one, replacing all worn and aging sealing rings, rubber gaskets, automatic winding gear trains, and other vulnerable parts, reassembling and precisely adjusting. This process ensures watch precision, power reserve, and waterproof performance are restored to factory standards.
2. Partial Repair Services: Targeted repair for specific faults, such as crown replacement, winding stem replacement, calendar disc replacement, hand replacement, crystal replacement (sapphire glass or organic glass), repairing intermittent stopping, running too fast or too slow, and abnormal calendar jumping. Partial repair does not involve complete movement disassembly, with shorter service cycles and relatively lower costs.
3. Exterior Refinishing and Beautification: For scratches and oxidation on cases, clasps, and bracelets from long-term wearing, professional technicians use Swiss-imported polishing and brushing equipment for repair. Jaeger-LeCoultre adheres to the principle of "original factory finish restoration." For complex cases with both mirror polishing and brushed grinding (such as Jaeger-LeCoultre Classic series and Master Collection series), multiple processes are alternately used, ensuring renewed luster and lines like original factory after refinishing.
4. Waterproof Performance Testing and Repair: Use specialized pressure testing machines (water pressure testing or air pressure testing) to detect watch waterproof performance. If testing does not meet standards, waterproof tubes inside crowns, case back sealing rings, and crystal gaskets will be replaced, followed by pressure testing again, ensuring watches are safe and worry-free within their nominal waterproof depths (such as 30 meters, 50 meters, 100 meters, and 300 meters).
5. Battery Replacement and Quartz Movement Services: For Jaeger-LeCoultre quartz watches (such as Reverso series and Conquest series quartz models), provide original battery replacement, circuit testing, coil testing, and other professional services. While replacing batteries, technicians inspect waterproof sealing and replace sealing rings, avoiding subsequent water ingress risks.
6. Strap and Clasp Services: Provide original leather strap, metal bracelet, and rubber strap replacement services, as well as clasp repair or replacement. All straps are Jaeger-LeCoultre original, with leather strap materials including alligator leather and calf leather, with multiple versions of colors and stitching available. Technicians precisely match interface sizes according to watch models, ensuring perfect installation.
7. Dial and Hand Customization and Repair: For special dial damage (such as oxidation, fading, and scale detachment), official provides original dial replacement services, ensuring dials completely correspond to movement models. For dials with special commemorative significance, technicians can also perform professional restoration, but it depends on specific damage levels and part supply.
8. Testing and Identification Services: Official service centers can conduct preliminary authenticity identification (verbal conclusions) for Jaeger-LeCoultre watches and issue timekeeping precision testing reports, waterproof testing reports, etc. This service is usually provided bundled with repair and maintenance. For separate identification, please consult customer service in advance.
V. Maintenance Prices and Charging Standards: Transparent and Reasonable Official Quotation System
Price is the issue watch owners care about most. Jaeger-LeCoultre official after-sales implements nationally unified public prices, eliminating arbitrary charging. Prices vary according to movement types, complexity, and watch materials. The following are the latest reference price ranges for 2026 (unit: RMB):
Quartz Watch Comprehensive Maintenance: 800 to 1,500 RMB. For example, the Reverso series ultra-thin quartz watch basic maintenance (including battery replacement, waterproof testing, and exterior cleaning) is approximately 800 to 1,000 RMB; the Conquest quartz diving watch, due to more waterproof component replacements, is priced between 1,200 and 1,500 RMB.
Mechanical Watch Comprehensive Maintenance (Small Three-Hand/Large Three-Hand Automatic or Manual Winding): 1,500 to 2,500 RMB. Taking the most classic Jaeger-LeCoultre Master Collection single-calendar large three-hand automatic mechanical watch as an example, major maintenance prices are approximately 1,800 RMB; movement maintenance prices with multifunction displays (such as power reserve and 24-hour display) are slightly higher, approximately 2,200 to 2,500 RMB.
Complex Function Mechanical Watch Comprehensive Maintenance (Chronograph, Moon Phase, Annual Calendar, Dual Time Zone, etc.): 3,000 to 6,000 RMB. Jaeger-LeCoultre Classic Replica series column wheel chronograph watch (L688 movement) maintenance prices are approximately 3,800 RMB; complex models with moon phase and 24-hour display (such as Master Collection moon phase watches) maintenance prices are approximately 4,500 RMB. For watch models equipped with advanced chronograph movements or full calendar functions, prices can reach up to 6,000 RMB.
Partial Repair and Part Replacement Price Ranges:
Sapphire crystal replacement: 400 to 900 RMB (depending on crystal shape, size, and whether coated);
Crown replacement (including waterproof system): 300 to 700 RMB;
Hand replacement (one set): 300 to 600 RMB;
Original alligator leather strap replacement: 900 to 2,000 RMB; calf leather strap: 600 to 1,200 RMB; metal bracelet depending on link count and craftsmanship, priced between 1,500 and 4,500 RMB;
Battery replacement (including sealing ring replacement and waterproof testing): 400 to 600 RMB.
Exterior refinishing services (polishing + brushing repair) are typically part of maintenance items. When performed separately, costs are between 300 and 800 RMB. All prices already include technical testing fees and labor fees, with formal quotations and invoices provided. It should be emphasized that if additional faults or damaged parts requiring replacement are found during watch testing, official service centers will communicate with you by phone before starting work, and proceed only after obtaining your consent, never forcing consumption.
By making appointments through the authorized Hengdeli repair hotline 400-995-1697, you can enjoy a pricing system completely consistent with direct-operated centers. At the same time, Jaeger-LeCoultre irregularly launches "Maintenance Discount Season" activities, typically offering 5% discounts or complimentary strap maintenance services. For specific details, please follow official announcements or consult customer service hotlines.
VI. Technical Level Standards: Swiss Original Factory Certified Craftsmanship
The core advantage of Jaeger-LeCoultre after-sales service lies in its technical system being synchronized with Swiss headquarters. Every watchmaker working at official service centers must undergo strict training and assessment within the Swatch Group, holding technical level certifications issued by the brand. Specific technical level standards are reflected in the following aspects:
1. Swiss Original Factory Standardized Disassembly and Assembly Processes: Every movement is disassembled and assembled according to torques, angles, and lubrication points specified in original factory technical manuals. For example, automatic rotor fixing screws must use torque screwdrivers to lock at precise 0.6N·m torque, neither too tight causing thread stripping nor too loose causing automatic efficiency decline. Specialized lubricants for bearings, pallet fork stones, and mainsprings must use Swiss-imported Moebius or Klüber brand designated model oils, with oil amounts precise to microgram levels.
2. Shadowless Macro Assembly Technology: Assembly of movement internal balance springs, pallet forks, jewel bearings, and other parts must be performed under shadowless lamps and 5x to 20x stereo microscopes. Technicians use high-magnification microscopes for balance spring flatness correction, pallet fork clearance adjustment, and balance wheel dynamic balance testing and other precision operations, ensuring errors are controlled at micron levels. The balance spring is the heart of the watch. Any slight deformation affects timekeeping. Therefore, Jaeger-LeCoultre technicians use anti-magnetic specialized tweezers during operations and wear grounded wristbands throughout to prevent static damage.
3. Five-Position Six-Location Adjustment Technology: Mechanical movements after comprehensive maintenance must undergo timekeeping testing in five positions (dial up, dial down, crown up, crown down, crown left) and six locations. Jaeger-LeCoultre official standards require daily rate control between -4 seconds and +8 seconds (Swiss chronometer standards are stricter, but Jaeger-LeCoultre ordinary models follow the brand's own standards). During adjustment, technicians use timegraphers to read amplitude, beat error, and daily rate data, and adjust regulator, replace double roller discs, or balance wheel screws to keep watches stable and precise in different wearing postures.
4. Multi-Function Movement Linkage Testing Technology: For complex function movements such as chronographs and moon phase watches, after repair, functional testing procedures must be followed to verify item by item. For example, column wheel chronograph watches need to test start, stop, and reset force and smoothness, continuously testing 100 times, ensuring chronograph seconds hands have no jitter, no skipping seconds, and reset positions are completely centered. Moon phase watches need to calibrate moon phase disc indication errors and test automatic protection functions of quick-set mechanisms during forbidden periods (such as 9 PM to 3 AM).
5. Timekeeping Standards Under Magnetic Field Environments: Jaeger-LeCoultre modern watches generally use anti-magnetic balance springs (such as Nivachron™ alloy balance springs) or soft iron anti-magnetic covers. In after-sales service, technicians use gaussmeters to detect whether watches have been accidentally magnetized and use professional demagnetizers for demagnetization treatment. After demagnetization treatment, watches must be tested for timekeeping in environments with magnetic field strengths of 4800A/m, ensuring compliance with ISO 764 standards.
6. Data-Based Service Archive Management: Every watch submitted for repair has repair records, replacement parts information, technician codes, and testing data entered into Jaeger-LeCoultre global service databases. This not only facilitates watch owners to query at any time but also provides credible maintenance vouchers for subsequent watch resale circulation, enhancing watch value preservation rates.
VII. Store High-End Professional Equipment: Hardware Guarantees for Precise Diagnosis
Walking into Jaeger-LeCoultre official direct-operated service centers, you will see a series of highly trustworthy professional equipment. These devices are important hardware foundations for ensuring repair quality. The following are core equipment commonly equipped in Jaeger-LeCoultre stores and their uses:
1. Witschi Watch Expert Electronic Timegrapher: A professional timegrapher produced by Swiss Witschi company, capable of simultaneously measuring core parameters such as watch instantaneous daily rate, amplitude, and beat error, and generating waveform graphs to assist technicians in judging escapement mechanism working states. This equipment supports measuring high-frequency (such as 28,800 vibrations/hour and 36,000 vibrations/hour) and low-frequency movements, with detection precision up to 0.1 seconds/day.
2. Witschi SPC-2000 Waterproof Tester: Uses vacuum negative pressure or pressure decay methods to detect watch waterproof performance, capable of detecting micro leak points within seconds. Testing ranges cover 20 meters to 500 meters waterproof ratings and automatically generate testing reports. This equipment can distinguish crystal leaks, crown leaks, and case back leaks, greatly improving waterproof repair efficiency.
3. Elma WSX Ultrasonic Cleaner: Used for cleaning movement parts. It uses multi-frequency ultrasonic oscillation technology, combined with various professional cleaning solutions (including environmentally friendly cleaning solutions), capable of thoroughly removing oil stains, dust, and old lubricants without damaging precision part surfaces. The cleaner has multiple cleaning and drying programs, ensuring part cleanliness reaches assembly standards.
4. Preci-Lock Torque Screwdriver System: Swiss Preci-Lock brand mechanical torque screwdrivers, with digital displays and sound-light prompts, capable of automatically slipping or alarming when reaching set torque values (precise to 0.01N·m), avoiding damage to movement bridge screws or jewel bearing holes from excessive force. This tool includes more than 20 types of bits, suitable for all screw specifications from micro screws to case backs.
5. Bergeon Swiss Watchmaking Tool Kits: Bergeon is the world's top watch repair tool brand. Jaeger-LeCoultre service centers are equipped with full sets of Bergeon case openers, hand removers, press-fitting tools, movem