OMEGA 861, Complete movement

OMEGA 861 movement in very good used condition, complete and running, all functions works perfectly. Service is however recommended! Comes as pictured!

Movement number: 31.001.172 (aprox: 1972).

Omega cal: 861

• 17/18 jewels, manual wind chronograph.
• Size: 12''' 27 mm.
• H: = 6.87 mm.
• N: = 21.600 A/h.
• Power reserve: 40 h.

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.