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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Landeron 59

Features
manual-wind chronograph, 60s, 30/45min, cam switched
sub second
Tag, pusher at 10:30h
date hand at 6h, pusher at 4:30h
month, pusher at 1:30h

Data
13.75''', Dm= 31.0mm, Do= 31.5mm
17 jewels
f = 18000 A/h
power reserve 41h

Balance staff U1457

Stem W1158

Mainspring / battery
Zf978, 1.35 x 12.0 x 0.14 x 360mm

Hands
1.85 x 1.30 x 0.25 / 0.27 x 0.20mm

Comments about the data

Remarks
1937-1970, >3.500.000 (all derivatives based on Landeron 48)
There were various chrono mechanisms. And as their parts often were interchangable, occasionally series were produced with parts of different calibres.

family:
51, 151: 13.75'''
55: 14'''
57: 14''', calendar
59: 13.75''', calendar
80, 180: 13.75''', calendar, new pusher layout
81, 181: 13.75''', calendar, moon phase
82: 13.75''', date at 6h
159: 13.75''', date hand at 6h

Example, year: signature; shock device
1) ca. 1945: SXK, Bovet Freres & Co SA, Swiss, 17 Jewels
(Landeron 51)
2) 1962: old data sheet

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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