AS 1977.2 (CONCORD 15) Complet movement
AS caliber 1977.2 signed Concord 15 movement in very good working condition. Comes with Concord crown as pictured. Service is recommended!
Data: AS 1977.2
- 17/21 jewels, manual wind.
- Size: 5.5 x 6.75''' 13 x 15,15 mm.
- H: = 3.60 mm.
- N: = 21.600 A/h.
- Power reserve: 44 h.
Versions:
- 1012: N = 18.000 a/h.
- 1582: minor modifications.
- 1677: N = 21.600 a/h.
- 1777: minor modifications.
- 1977: new regulator, stronger mainspring.
- 1977.2: new balance and barrel.
- 1977.2: new winding gear.
- 1977.4: balance cock and regulator new.
- 1977.5: new click.
- 1978.2: new winding gear.
