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10.5''', Dm= 23.35mm, Do= 23.7mm
f = 18000 A/h
Balance staff U791
Mainspring / battery
Zf1041, 1.40 x 9.0 x 0.11 x 260mm
1.40 x 0.86 / 0.18mm
Comments about the data
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.
Example, year: signature; shock device
ca. 1920: 8, Vaco, Langendorf, Switzerland, Unadjusted, 15 Jewels
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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