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10.5''', Dm= 23.35mm, Do= 23.65mm
f = 18000 A/h
power reserve 37h
Balance staff U1949
Mainspring / battery
Zf1221, 1.50 x 9.0 x 0.11 x 260mm
1.40 x 0.90 x 0.20mm
Comments about the data
strange: With an intermediate wheel (bearing A, Fig.3) between center minute pinion B and excentric minute wheel C the height was reduced, since only the center-second wheel overlaps the barrel (details see Langendorf 1233).
Example, year: signature; shock device
ca. 1955: Lanco, 1021, Swiss Made, 17 Rubis - LWC; 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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