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manual-wind chronograph, 60s, 30min, 12h, cam switched
14''', Dm= 31.0mm, Do= 31.3mm
f = 18000 A/h
power reserve 45h
Balance staff U3106
Stem W1188 / W3371
thread 1.2mm / 0.9mm
Mainspring / battery
Zf1337, 1.60 x 12.5 x 0.13 x 430mm
1.40 x 0.95 x 0.27 / 0.27 x 0.27 x 0.18mm
Comments about the data
1969-1978 (Valjoux 7733+7734+7736+7737: <2000000)
3 different hammers (cf. Valjoux 7733)
essentially same as Venus 188:
7731: new balance cock
7736: hour counter
7737: countdown for regatta start
Example, year: signature; shock device
ca. 1972: Swiss; Incabloc
Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.
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