Omega 560-1503, Date jumper
- OMEGA original part, new in factory packaging.
- Version 1 for movements with serial no below 20 943 000.
- Fits cal: 560, 561, 562, 610
Versions without date:
- 550: 17 jewels.
- 551: 24 jewels, chronometer.
- 552: 24 jewels.
Versions with date:
- 560: 17 jewels.
- 561: 24 jewels, chronometer.
- 562: 24 jewels.
- 563: 24 jewels, quick set date.
- 564: 24 jewels, quick set date, chronometer.
- 565: 24 jewels, quick set date.
- 750: 17 jewels, day, date.
- 751: 24 jewels, day, date, chronometer.
- 752: 24 jewels, day, date.