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12''', Dm= 26.6mm, Do= 27.15mm
f = 18000 A/h
power reserve 46h
Balance staff U866
Mainspring / battery
Zf1326, 1.60 x 10.5 x 0.12 x 320mm
1.50 x 0.70 / 0.20mm
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: 4533, Alpina; Incabloc
3-4) ca. 1945: 0575, EOP, Alpina Watch Co, Swiss, 17 Jewels; Incabloc
(extra quality with polished bridges, cap jewel on escapement wheel, and pink-gold settings)F01
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.
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