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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

Durowe 275

manual wind
sub second

7.75 x 11''', Dm=Do= 17.55 x 25.05mm
(rests on corners)
H= 3.5mm
F= 0.5mm
T= 1.6mm
15/17 jewels
f = 18000 A/h
power reserve 42h

Balance staff U349

Stem W311

Mainspring / battery
Zf692, 1.20 x 9.5 x 0.12 x 270mm

1.20 x 0.71 / 0.18mm

Comments about the data

other designation: Durowe 7.75x11'''
option: threads for dust protection frame (Fig.3)

Example, year: signature; shock device
1-2) ca. 1945: - D (Durowe)
3-4) ca. 1945: Ormo - D (Durowe)

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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