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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Durowe 412

Features
manual wind
sweep second

Data
10.5''', Dm= 23.3mm, Do= 23.8mm
H= 4.9mm
F= 0.5mm
T= 1.8mm
16 jewels
f = 18000 A/h
power reserve 40h

Balance staff U369 / U1323
without/with riveting collar

Stem W322 / W3063
thread 0.9mm/1.1mm

Mainspring / battery
Zf1309, 1.60 x 9.0 x 0.10 x 290mm

Hands
1.40 x 0.80 x 0.25mm

Comments about the data

Remarks
1935-
option: separate escape-wheel cock (cf. Durowe 410)

family:
202, 410: sub second
412: sweep second

Example, year: signature; shock device
ca. 1940: 526, 16 Jewels - Durowe
(Laco 526(SC))

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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