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Fig. 1

Dugena 3207 (Buren 11)

automatic chronograph, 60s, 30min, 12h, cam switched
date: set by changing 21-24h

13.75''', Dm= 31mm
H= 7.7mm
17 jewels
f = 19800 A/h
power reserve 42h

Balance staff U3426

Stem W3398

Mainspring / battery
1.60 x 10.5 x 0.105mm

Comments about the data

joint development of Hamilton-Buren, Breitling and Heuer
module Dubois-Depraz 8510 on Buren 1281
crown at 9h
micro rotor
double excenter regulator for curb pins and stud carrier

Example, year: signature; shock device
ca. 1970: Dugena 3207, Swiss, 17 Jewels; Incabloc

© uhrendoktorshs

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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