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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Durowe 430

Features
manual wind
sweep second

Data
10.5''', Dm= 23.3mm, Do= 23.75mm
H= 4.1mm
F= 1.0mm
T= 2.1mm
17/21 jewels
f = 18000 A/h
power reserve 33h

Balance staff U2114

Stem W2281

Mainspring / battery
Zf683, 1.20 x 9.5 x 0.11 x 290mm

Hands
1.30 x 0.80 x 0.22mm

Comments about the data

Remarks
1955
wheels beryllium bronze
The low quantity of movements from this family, compared with the pedecessors and succesors, indicate that they were produced hardly longer than one year. Dispite this two variants of the manual wind gear and two balances were produced in parallel, and one may believe that all was just an experiment.

family:
425: 10.5''', manual wind
430: 10.5''', manual wind, gear like automatic
562: 11.5''', automatic
565: 11.5''', automatic, date
suffix /1: shorter balance staff

Example, year: signature; shock device
ca. 1955: 20, Laco, 17 Jewels - 4; Duro-Swing

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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