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8.75 x 12''', Dm= 20.05 x 26.55mm
Do= 20.05 x 27.0mm
f = 18000 A/h
Balance staff Cyl. 0.79 x 3.59 x 0.87mm
Mainspring / battery
Zf1246, 1.50 x 10.5 x 0.13 x 300mm
1.20 x 0.75 / 0.18mm
Comments about the data
ratchet on dial side, crown mechanism with rocker bar
Langendorf 1 to 160 partially designate movement generations containing calibres with different dimensions.
Longer produced calibres got later a new designation consisting of the width in whole lignes and the old generation number.
new designation: Langendorf 8160
Example, year: signature; shock device
ca. 1935: Swiss Made
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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