Mechanical watch clean factory (also known as clock maintenance/repair factory) is a standardized service organization specializing in deep cleaning, appearance maintenance, repair and restoration of mechanical watch movements. Different from ordinary stores, it usually has a level 100 dust-free workshop, fully automatic watch washing machine, professional technician team, and operates according to brand standard procedures.
1、 Core Services and Standard Processes
Mechanical watch cleaning and maintenance (comprehensive maintenance/major maintenance) is the core business, and the standard process is:
Dismantling inspection
Completely disassemble the movement, case, strap, dial, and hands
Detecting travel time errors, waterproofing, wear and tear, and component wear and tear
Deep cleaning of the movement (core)
German/Swiss fully automatic ultrasonic washing machine (such as Elma)
Special meter oil cleaning agent, divided into multiple tanks: coarse washing → fine washing → rinsing → drying
Operating in a Class 100 dust-free environment to avoid secondary dust
Parts maintenance
Replacement of worn parts (gems, gears, springs, waterproof rings)
**Swiss specialized gauge oil (Moebius, etc.) * * precise oil lubrication
Restructuring and Calibration
Movement reorganization, timing, swing, and orientation errors
Waterproof test, pressure test
Surface treatment
Polishing, wire drawing, and scratch removal of case/strap
Dial refurbishment and scale repair
2、 Domestic mainstream mechanical watch cleaning/maintenance factories
- Official after-sales factory of the brand (the most authoritative)
Rolex
Global Service Center (Shanghai/Beijing/Guangzhou)
Original factory standards, cleanroom, specialized equipment, original parts
Omega, Patek Philippe, Vacheron Constantin, Jaeger LeCoultre, Lange, Tissot, etc
All have established official service centers/factories in China
Only serving our brand, ensuring authenticity, performance, and waterproofing - Third party large-scale luxury watch/luxury watch factories (multi brand)
Siku Luxury Maintenance Factory (Beijing)
Collaborating with Japan’s Fifty Gentlemen
8000 square meters, Class 100 dust-free, fully automatic meter washing, international technician
Service 100+brands: Basic cleaning → Major maintenance of the movement → Appearance repair
Hengdeli/Hengdali National Maintenance Center (headquartered in Shanghai)
Time honored chain, equipped with Witschi meter calibrator and Elma meter washer
Class 100 dust-free, transparent process, and repairable
Large scale regional watch factories/maintenance bases
There are large-scale cleaning and maintenance factories in Beijing, Shanghai, Guangzhou, Shenzhen, Hangzhou, Chengdu, and other cities
3、 Key equipment and environment
Class 100/Class 1000 cleanroom: prevents dust from entering the movement
German Elma, Swiss KTC fully automatic ultrasonic washing machine
Witschi meter, waterproof tester, amplitude tester
Special gauge oil, cleaning agent, disassembly and assembly tools, polishing equipment
4、 Why go to a professional factory (not a street side shop)
Thoroughly clean the movement: avoid residual oil and dust that may cause later jamming and increased errors
Waterproof recovery: Small shops often do not conduct waterproof tests/replace rubber rings
Accurate oiling: use the right oil and point the right position to extend the maintenance cycle (3-5 years)
Appearance without damage: professional polishing/drawing, without damaging the texture of the case
Warranty: 6-12 months warranty after regular factory maintenance