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|Gruen 552SS (AS 1686)|
11.5''', Dm= 25.6mm, Do= 25.9mm
f = 18000 A/h
power reserve 42h
Balance staff U1412 / U2438 / U3130
screw balance, collet 0.6mm / 0.5mm / ring balance
Mainspring / battery
Zf1309, 1.60 x 9.0 x 0.10 x 290mm
1.30 x 0.85 x 0.20mm
Comments about the data
Example, year: signature; shock device
ca. 1960: 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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