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6.75 x 11''', Dm= 15.25 x 24.7mm
Do= 15.75 x 25.3mm
f = 18000 A/h
power reserve 34h
Balance staff Ronda 1442
1.20 x 0.65mm
Comments about the data
identity uncertain, as determined only after setting parts
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. 1940: 6, *Lanco* 15 Rubis, Swiss Made - U
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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