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View picture in original size
Fig. 1

Dugena 3911 (Unitas 6497)

Features
stem wind and set
sub second

Data
16.5''', Dm= 36.6mm, Do= 37.2mm
H= 4.2mm
F= 0.5mm
T= 1.85mm
15/17 jewels
f = 18000 A/h
power reserve 50h

Balance staff U3461

Stem W1418

Mainspring / battery
Zf3016, 1.50 x 15.0 x 0.18 x 450mm

Hands
2.00 x 1.15 / 0.27mm

Comments about the data

Remarks
1950-
open-face calibre

family:
3911: open face
3913: hunter

Example, year: signature; shock device
ca. 1965: UZ, Unitas 6497, 6503, Arnex Tim Co Inc, Swiss, 17 Jewels; Incabloc
(Unitas 6503)

© R. Nienaber


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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