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Fig. 1

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Fig. 2

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Fig. 3

Alpina 413

stem wind and set
sub second
hack feature

19''', Dm= 42.95mm, Do= 43.65mm
H= 5.15mm
F= 0.5mm
T= 1.9mm
15 jewels
f = 18000 A/h
power reserve 38h

Balance staff U1872

Stem W1782

1.90 x 1.00 / 0.22mm

Comments about the data

open face calibre
Breguet hairspring

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: 666185, Alpina, 413

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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