Witschi Timing Machine
Used to measure rate, amplitude, and beat error before and after service.
Tools & Process
Professional Equipment. Proper Methods. No Shortcuts.
At A & S Services, work is performed using professional watchmaking equipment designed to service modern and vintage timepieces to proper standards.
Water Resistance Testing
Each watch is tested for water resistance after service, with results verified and documented.
Automatic Winding Simulator
Automatic watches are tested on a simulator to verify winding efficiency and performance.
Inspection & Magnification
All components are inspected under magnification for wear, damage, and proper function.
Precision Oiling
Correct lubricants are applied in the proper locations to ensure long-term performance.
Parts & Components
Parts are replaced as required using appropriate components to ensure proper function and long-term performance.
Case & Bracelet Refinishing
Professional refinishing restores appearance while preserving proper lines and finishes.
Refinishing Process
Every complete service includes the best possible polishing and refinishing of the case and bracelet.
Bench Work
Complete disassembly, inspection, cleaning, reassembly, and calibration are central to every overhaul.
Final Standard
Every watch is serviced using proper tools, correct procedures, and attention to detail.
We do not cut corners.