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View picture in original size
Fig. 1

AS 1828

Features
manual wind
sub second

Data
8.75''', Dm= 19.4mm, Do= 19.7mm
H= 3.45mm
F= 0.9mm
T= 1.7mm
17 jewels
f = 21600 A/h
power reserve 45h

Balance staff U594

Stem W138

Mainspring / battery
Zf1298, 1.60 x 7.5 x 0.08 x 250mm

Hands
1.20 x 0.65 / 0.18mm

Comments about the data

Remarks

family/generations:
sub second, 18000 / 21600A/h respectively:
970/1726: plate and bridges plane
1156/1727: edges bevelled, no mounting flange
1556/1828: edges bevelled
indirect sweep second, only 18000A/h:
1003, 1018: plate and bridges plane
1159: edges bevelled, no mounting flange

Example, year: signature; shock device
ca. 1965: Roamer, 17 Jewels Swiss; Incabloc
(AS 1727, refined and applied 2004)

© U. Thiele

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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