Omega 640
1963-
Features
Manual wind, back-winder
Data
Dm= 12.4mm
H= 2.85mm
17 jewels
f = 19800 A/h
Power reserve h
Balance staff U2990
Hands
0.70 x 0.40mm
| Watch Part Numbers | 1100, 1101, 1108, 1140, 1155, 1208, 1218, 1224, 1240, 1243, 1305, 1321, 1346 |
|---|
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