Genuine Omega® coupling wheel, part number 1712, fits Omega® 27 CHRO, Omega® 27 CHRO C12, Omega® 27 CHRO PC AM, Omega® 320, Omega® 321 Omega® 286 Double cut top and bottom

Double cut top and bottom - Both edges are single cut

Generic Screw-On Crown to fit Breitling® CN-B17

to access only the size you need

5 cm is a Hermle wheel specifically for movement 341

PE907 SUNON Quartz Watch Movement is a 3 hand movement (120/70/19)

Genuine Omega® coupling wheel, part number 1712, fits Omega® 27 CHRO, Omega® 27 CHRO C12, Omega® 27 CHRO PC AM, Omega® 320, Omega® 321 Omega® 286 Double cut top and bottomGenuine Omega coupling wheel, part number 1712, fits Omega 27 CHRO, Omega 27 CHRO C12, Omega 27 CHRO PC AM, Omega 320, Omega 321 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does not apply to parts supplied by Perrin Supply Ltd.