Vielleicht hilft dir der Link unten weiter, nachfolgende Arbeiten werden bei Omega durchgeführt.

1 Open the case, remove the dial and the movement

2 Disassemble the case (crystal, pushers, crown, tube, bezel etc.)

3 Restore the case and bracelet as nearly as possible to their original state; repair if necessary

4 Wash the case and bracelet

5 Re-assemble the case using new parts (crystal, pushers, crown, tube, gaskets etc.)

6 Remove the dial from the movement and the hands

7 Disassemble the movement into its individual components

8 Check whether the watch parts function correctly, check for rust or wear

9 Replace any faulty watch parts

10 Wash the disassembled movement in a cleaning machine with specific baths

11 Check the cleanliness


http://www.omega.ch/index.php?id=390