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option; sub second
8.75''', Dm= 19.4mm, Do= 19.7mm
f = 18000 A/h
power reserve 32h
Balance staff U2493 / U2453
impulse pin / finger
Mainspring / battery
1.15 x 8.5 x 0.10mm
1.3 x 0.70mm
Comments about the data
Example, year: signature; shock device
ca. 1975: Alfex Ltd, Swiss, 1 Jewel
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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