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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Alpina 1109

Features
stem wind and set
sub second

Data
19''', Dm= 43.0mm, Do= 43.7mm
H= 5.6mm
F= 0.45mm
T= 2.4mm
f = 18000 A/h
15 jewels
f = 18000 A/h
power reserve 37h

Hands
1.90 x 1.00 / 0.24mm

Comments about the data

Remarks
open face calibre
bimetallic screw balance with 4 adjustment screws
Breguet hairspring

family:
H= 5.15mm:
409: open face
410: hunter
413: open face, hack feature
H= 5.6mm:
1115: open face
1116: hunter
H= 5.6...5.7mm, different bridge layout:
1109: open face
1110: hunter

Example, year: signature; shock device
ca. 1925: 602256, Alpina, 1109 - Alliance

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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