Analysis of the watch's physical condition and identification of the watch model from its unique serial number.
Disassembling the case and the movement
Opening of the case and disassembly of its components (glass, back, bezel, various seals, etc.) and separation of the movement.
Cleaning the case
Cleaning of the case by immersion in special products which enable ultrasound treatment.
Assembling the case and movement
Technical and aesthetical final control
Final check with inspection of technical functions and aesthetic appearance, according to Longines specifications.