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|Dugena 4001 (Valjoux 7731)|
manual-wind chronograph, 60s, 30/45min, 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 0.18mm
Comments about the data
essentially same as Venus 188:
4004: hour counter
Example, year: signature; shock device
ca. 1950: Swiss Made
(Venus 188, fixed stud carrier)
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.
|bidfun-db 21.3 © 02-08-15, mtr-Ranfft|
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