Omega 661, Complete movement
- OMEGA 661 Ladymatic movement in very good used condition, service is needed!
- Movement number: 20 279 792 (aprox: 1964).
- Ver: H2 = Hour wheel height: 1.7 mm.
Data: Omega cal 661 (15 RA PC AM 24p).
- 24 jewels, automatic wind, hour and minute display.
- Size: 15.40 mm.
- H: = 4.25 mm.
- N: = 19.800 A/h.
- Power reserve: 42 h.
Versions:
- 660: 17 jewels. 19.800 A/h. (1963)
- 661: 24 jewels, 19.800 A/h, modified automatic mechanism. (1963)
- 662: 17 jewels, 21.600 A/h. major modifications. (1975)
- 663: 24 jewels, 21.600 A/h. (1975)