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View picture in original size
Fig. 1

View picture in original size
Fig. 2

View picture in original size
Fig. 3

AM 150

stem wind and set
sub second

17.5''', Dm= 39.0mm, Do= 39.7mm
H= 5.6mm
(winding gear +0.4mm)
F= 0.75mm
T= 2.2mm
8 jewels
f = 18000 A/h
power-reserve 28h

Balance staff Cyl. 1.00 x 4.45 x 0.94mm

Stem W1654

Mainspring / battery
Zf3481, 2.00 x 15.0 x 0.19 x 430mm

1.85 x 0.70 / 0.26mm

Comments about the data

open face calibre
cylinder escapement
ratchet on dial side, crown mechanism with rocker bar (Fig.3)
option: ratchet on back side, crown wheel without function (Fig.1, 2)

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

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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