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Fig. 1

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Fig. 2

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Fig. 3

Certina 260

stem wind and set
sub second

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

1.90 x 1.25 / 0.20mm

Comments about the data

open face calibre
option: Breguet hairspring

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
1-2) ca. 1930: K.F.262, Swiss Made, 15 Jewels - K.F., 262
3) ca. 1945: K.F.262 - K.F., 262; Incabloc
(both Certina 262, 18''', H=5.0mm)

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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