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Fig. 1

View picture in original size
Fig. 2

Dugena 2105 (Durowe 451-2)

manual wind
sweep second
date: set by changing 21-24h

10.5''', Dm= 23.3mm, Do= 23.7mm
H= 4.6mm
F= 1.65mm
T= 2.4mm
17 jewels
f = 21600 A/h
power reserve 40h

Balance staff U3224

Stem W2404 / W2875
thread 1.1mm/0.9mm

Mainspring / battery
Zf943, 1.35 x 9.5 x 0.10 x 315mm

1.50 x 0.90 x 0.22mm

Comments about the data


18000 A/h:
1148: 10.5'''
1178: 10.5''', date
21600 A/h:
2104: 10.5'''
2105: 10.5''', date
2106: 10.5''', day, date
2107: 11.5''', minute stop feature

Example, year: signature; shock device
ca. 1968: ZentRa, 17 Jewels - e; Duro-Swing
(Durowe 450-2, 18000A/h)

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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