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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Certina 261

Features
stem wind and set
sub second

Data
17''', Dm= 38.35mm, Do= 39.0mm
H= 4.2mm
F= 0.5mm
T= 2.1mm
15 jewels
f = 18000 A/h
power reserve 40h

Balance staff U977

Stem W1476

Hands
1.90 x 1.25 / 0.20mm

Comments about the data

Remarks
open face calibre
option: Breguet hairspring

family:
260: separate escape-wheel cock, H= 4.2mm
261: center bearing in barrel bridge, H= 4.2mm
262: separate escape-wheel cock, H= 5.0mm
263: center bearing in barrel bridge, H= 5.0mm

Example, year: signature; shock device
1959: Certina 261, Swiss, 15 Jewels; Incabloc

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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