Omega 670
1961-1971
Shares many parts with manual-wind family 620
Features
Automatic
Sweep second
Data
Dm= 17.5mm, Do= 18.0mm
H= 4.3mm
F= 0.8mm
T= 1.2mm
17 jewels
f = 19800 A/h
Power reserve 40h
Balance staffĀ U2920
StemĀ W2935
Hands
1.10 x 0.55 x 0.16mm
Paramount Split Lap 6 Inch
Sprue Cutter
Sweep Seconds (12) 13.5mm Silver & Gold 



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