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|Alpina 1722 (Moeris 19'''D)|
stem wind and set
19''', Dm= 42.5mm, Do= 43.3mm
f = 18000 A/h
power reserve 31h
Balance staff U1079
Mainspring / battery
Zf3045, 1.50 x 17.0 x 0.21 x 490mm
2.00 x 1.10 / 0.20mm
Comments about the data
options: bimetallic screw balance, Breguet hairspring, Reed's regulator
differences not known between 294, 1722
open face / hunter respectively:
291/292 : H= 5.25mm, Breguet hairspring
293/294 : H= 4.14mm, Breguet hairspring
1719/1720: H= 5.25mm, flat- or Breguet hairspring
1721/1722: H= 4.14mm, flat- or Breguet hairspring
Example, year: signature; shock device
ca. 1925: 1722
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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