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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

AS 746

stem wind and set
sub second

18.5''', Dm= 41.3mm, Do= 42.0mm
H= 4.1mm
F= 0.5mm
T= 2.0mm
15 jewels
f = 18000 A/h
power-reserve 30h

Balance staff U1120

Stem W1619

Mainspring / battery
Zf3236, 1.70 x 16.0 x 0.20 x 460mm

2.00 x 1.05 / 0.24mm

Comments about the data

hunter calibre
Breguet hairspring
varying bridge shapes

Example, year: signature; shock device
1-2) ca. 1930: -
3-4) 1930: ZentRa 21

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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