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stem wind and pin set
11.5''', Dm= 25.7mm
(winding gear +0.4mm)
f = 18000 A/h
1.40 x 0.42mm
Comments about the data
unusual: crown mechanism with rocker bar, but ratchet on back side
Likely 1002 anonymous and 1020 anonymous came from the same (still unknown) ebauche manufacturer.
Example, year: signature; shock device
ca. 1900: - 53 2550
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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