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Fig. 1

View picture in original size
Fig. 2

Alpina 2554 (Cyma 734)

stem wind and set
sub second

17''', Dm= 38.2mm, Do= 38.7mm
H= 5.05mm
H= 5.0mm (regulator +0.15mm)
F= 0.5mm
T= 1.9mm
16 jewels
f = 18000 A/h
power reserve 34h

Balance staff U989

Stem W1755

Mainspring / battery
Zf3308, 1.80 x 15.0 x 0.18 x 450mm

1.75 x 1.10 / 0.22mm

Comments about the data

hunter calibre
Breguet hairspring
differences not known between 324, 2554

H= 5.05mm:
323, 328: hunter, 15 jewels
324, 2554: hunter, 16 jewels
327, 2563: open face, 15 jewels
H= 3.85mm:
325, 2029, 2561: open face, 15 jewels
326: hunter, 15 jewels

Example, year: signature; shock device
ca. 1930: Alpina 2554, Ref. 734 - 55352, Brevets +

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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