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|Dugena 717 (Unitas 6310)|
13''', Dm= 29.0mm, Do= 29.4mm
f = 18000 A/h
power reserve 47h
Balance staff U1540 / U3094
balance with/without screws
Mainspring / battery
Zf1404, 1.70 x 11.5 x 0.13 x 360mm
1.50 x 0.90 / 0.20mm
Comments about the data
so called Wehrmachtswerk (army movement)
differences not known between 717, 3903
717, 3903: center-wheel bearing in barrel bridge
3909: center-wheel bearing in barrel bridge
3910: center-wheel bearing in barrel bridge, date
3914: center-wheel bearing in train bridge
The assignment of bridhe shapes meets current observations, but can also be accidental
Example, year: signature; shock device
ca. 1950: Swiss, 17 Jewels
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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