First generation Omega moonwatch movement with moonphase display. Made from 1985 to 1988.
Versions:
- 860: 17 jewels, base caliber Lemania 1872.
- 861: 17 jewels, 12 h. counter, base caliber: Lemania 1873.
- 862: 21 jewels, 12 h. counter.
- 863: 21 jewels, 12 h. counter, jubilee edition.
- 864: 21 jewels, 12 h. counter, jubilee chronometer.
- 865: 17 jewels, only 60 s. counter, chronostop.
- 866: 17 jewels, like 860 with date, moon phase.
- 867: 21 jewels, 12 h. counter, jubilee chronometer, skellettonized.
- 910: 17 jewels, 12 h. counter, 2nd time zone, 24 h. display.
- 911: 17 jewels, 12 h. counter, 2nd time zone.
- 920: 17 jewels, only 60 s. counter, date, chronostop.
- 930: 17 jewels, like 860 with date.