Genuine Omega® fourth wheel, part number 1243, fits Omega® 710, Omega® 711, Omega® 712, Omega® 715 Omega® 1221 if reaming is required to

if reaming is required to enlarge the hole slightly to better fit the balance wheel

dimensions are 25

Genuine Rolex® screw for ratchet wheel

Adec® crystal reference A54-89259

banking screw for date corrector to fit Jaeger LeCoultre® calibres: 11LCN

Genuine Omega® fourth wheel, part number 1243, fits Omega® 710, Omega® 711, Omega® 712, Omega® 715 Omega® 1221 if reaming is required toGenuine Omega fourth wheel, part number 1243 fits Omega 710, Omega 711, Omega 712, Omega 715 * 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.