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12.5''', Dm= 28.0mm
f = 19800 A/h
power reserve 44h
Balance staff U3156
Mainspring / battery
1.10 x 10.5 x 0.12mm
1.40 x 0.80mm
Comments about the data
1969-1974, 43800 (854, 854B)
excenter winding mechanism, if 25 jewels with ruby-rollers
adjustment screws on balance spokes
double excenter regulator for curb pins and stud carrier
Example, year: signature; shock device
1969: 1937208, International Watch Co 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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