Omega 281 (30SCT2RG)-1240, Third Wheel
- OMEGA original part in factory sealed packaging
- Fits cal: 30 SC T2 RG, 281
Versions with sub second:
- 30: 15 jewels, bi-metallic compensation balance no shock protection.
- 30T1: 15 jewels, bi-metallic compensation balance, no shock protection.
- 30T2: 15 jewels, bi metallic compensation balance, no shock protection.
- 30T2PC: 15 jewels, incabloc, monometallic balance.
- 30T2RG: 17 jewels, chronometre, no shock protection.
- 260: = 30T2PC from 1949, rose gold plated movement.
- 261: 17 jewels, antimagnetic.
- 262: = 30T2RG from 1949.
- 265: 15 jewels, antimagnetic.
- 266: 17 jewels, antimagnetic.
- 267: 17 jewels, antimagnetic, bewelled main plate.
- 268: 17 jewels, antimagnetic, ring balance, Breguet hairspring.
- 269: 17 jewels, antimagnetic, ring balance, flat hairspring.
Versions with center second:
- 30SC: 16 jewels, bi-metallic comp. balance, no shock protection, c-sec.
- 30SCT1: 16 jewels, bi-metallic comp. balance, no shock protection, c-sec.
- 30SCT2: 16 jewels, bi-metallic comp. balance, no shock protection, c- sec.
- 30SCT2PC: 17 jewels, incabloc, monometallic balance.
- 30SCT2RG: 17 jewels, chronometre, no shock protection.
- 280: = 30SCT2PC from 1949.
- 281: = 30SCT2RG from 1949.
- 283: 17 jewels, antimagnetic.
- 284: 17 jewels, antimagnetic, bewelled main plate.
- 285: 17 jewels, ring balance, Breguet hairspring.
- 286: 17 jewels, ring balance, flat hairspring.