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Fig. 3

AS 1635

Features
automatic
sweep second

Data
7''', Dm= 16.0mm, Do= 16.3mm
H= 5.4mm
F= 0.8mm
T= 1.7mm
21 jewels
f = 18000 A/h
power reserve 37h

Balance staff U2643

Stem W2675

Mainspring / battery
Zf817, 1.30 x 6.0 x 0.06 x 210mm

Hands
1.20 x 0.75 x 0.21mm

Comments about the data

Remarks
option: winding gear from beryllium bronze

family:
1635: 18000 A/h
1654: 21600 A/h

Example, year: signature; shock device
ca. 1955: Swiss, 21 Jewels - UT; 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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