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View picture in original size
Fig. 1

View picture in original size
Fig. 2

View picture in original size
Fig. 3

Langendorf 1020

manual wind
sweep second

10.5''', Dm= 23.35mm, Do= 23.65mm
H= 3.6mm
F= 1.25mm
T= 1.8mm
17 jewels
f = 18000 A/h
power reserve 37h

Balance staff U2502

Stem W22271

Mainspring / battery
Zf860, 1.30 x 9.0 x 0.11 x 260mm

1.40 x 0.90 x 0.22mm

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. 1960: Lanco, 1020, Swiss Made - 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.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft

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