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 Fig. 1  Fig. 2 | Landeron 352 Features manual-wind chronograph, 60s, 30min, 12h cam switched sub second 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 0.27 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. minor differences between 352, 353, modified parts interchangable family: 152, 153: 13.75''' 352, 353: 13.75''', hour counter Example, year: signature; shock device 1) ca. 1950: Swiss, 17 Jewels (Landeron 152) 2) 1962: old data sheet © B. Schreiber (1) 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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