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View picture in original size
Fig. 1

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Fig. 2

View picture in original size
Fig. 3

Alpina 598

manual wind
sweep second

12''', Dm= 26.6mm, Do= 27.15mm
H= 4.9mm
F= 0.5mm
T= 1.8mm
16/17 jewels
f = 18000 A/h
power reserve 46h

Balance staff U866

Stem W892

Mainspring / battery
Zf1326, 1.60 x 10.5 x 0.12 x 320mm

1.50 x 0.80 x 0.22mm

Comments about the data

The first digits of the serial number are covered by the train bridge; below only the last digits are written.

592: sub second
598: sweep second
no soffix: Glucydur screw balance
suffix E: nickel screw balance
suffix R: Glucydur ring balance, mobile stud carrier

Example, year: signature; shock device
1-2) ca. 1950: 5595, Alpina, Swiss; Incabloc
3) ca. 1950: 6647, Alpina, Swiss, 17 Jewels; Incabloc

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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