Genuine Omega® bearing for rotor, part number 1420, fits Omega® 1040, Omega® 1041 Long Sizes Outside Diameter of Link (mm):

Outside Diameter of Link (mm): 8

crown side is an inside thread 2

the pointed round tip of the other jaw fits under the clip spring

largest dimension is 3

400 Day Clock Suspension Unit 63A can be identified in the Horolovar 400- Day Repair Guide and is the same as Unit 63B

Genuine Omega® bearing for rotor, part number 1420, fits Omega® 1040, Omega® 1041 Long Sizes Outside Diameter of Link (mm):Genuine Omega bearing for rotor, part number 1420, fits Omega 1040, Omega 1041 * 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.