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date: set by changing 21-24h
11.5''', Dm= 25.6mm
f = 18000 A/h
Balance staff U2885
Mainspring / battery
1.00 x 10.5 x 0.12mm
1.30 x 0.90 x 0.21mm
Comments about the data
differences not known between 66-4N, 665-4N
Example, year: signature; shock device
ca. 1955: Swiss; 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.
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