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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Certina 13-21

Features
manual wind

Data
5.75 x 6.75''', Dm= 13.0 x 15.25mm
Do= 13.0 x 15.5mm
H= 3.55mm
F= 0.6mm
T= 1.6mm
17 jewels
f = 19800 A/h
power reserve 43h

Balance staff U2256

Stem W992

Mainspring / battery
1.40 x 6.0 x 0.06mm

Hands
1.00 x 0.55mm

Comments about the data

Remarks

family:
13-20: 19800A/h, without mvt-mounting threads
13-21: 19800A/h, with mvt-mounting threads
13-22: 21600A/h

Example, year: signature; shock device
ca. 1965: Certina, 13-21, Swiss, 17 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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