Omega® Case Back Gasket (Round O-Ring), case numbers: 196772, 2980016, 396772, 496772, 4980015, 2980016, 4980022 hermle movements 261 10 mm x 17

10 mm x 17

Maintains the patina of the finest pieces

black screwdriver 1mm

the indicator at the 9 o'clock position records 12 hours

to fit Elgin® 3/0 size - 0 size (hole size: 80/135 (minute/hour))

Omega® Case Back Gasket (Round O-Ring), case numbers: 196772, 2980016, 396772, 496772, 4980015, 2980016, 4980022 hermle movements 261 10 mm x 17Omega Case Back Gasket (Round O Ring), case numbers: 196772, 2980016, 396772, 496772, 4980015, 2980016, 4980022 O ring case back gasket to fit Omega case numbers: 196772, 2980016, 396772, 496772, 4980015, 2980016, 4980022 *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does not apply to parts supplied byPerrin Supply Ltd. Using generic parts may devalue your watch.