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View picture in original size
Fig. 1

View picture in original size
Fig. 2

AS 580

stem wind and set
sub second

18''', Dm= 40.1mm, Do= 40.9mm
H= 5.7mm
F= 0.7mm
T= 2.8mm
10 jewels
f = 18000 A/h
power-reserve 41h

Balance staff Cyl 1.00 x 5.17 x 1.06mm

Stem W1645

Mainspring / battery
Zf3394, 1.90 x 15.0 x 0.18 x 450mm

1.80 x 1.00 / 0.30mm

Comments about the data

open face calibre
cylinder escapement
likely adoption and redesign of the Exacta 108 (still pin set)
equivalent calibres with other bridge layouts: 591, 599

Example, year: signature; shock device
ca. 1915: 1 - ASSA

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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