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 Fig. 1  Fig. 2 | Landeron 154 Features manual-wind chronograph, 60s, 30/45min, cam switched sub second Data 14''', Dm= 31.8mm H= 6.2mm F= 0.6mm T= 1.6mm 17 jewels f = 18000 A/h power reserve 41h Balance staff U1457 / U3137 balance with/without screws 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. like 148, with bigger pillar plate family: 148: 13.75''' 154: 14''' 185: 13.75''', calendar 186: 13.75''', calendar, moon phase Example, year: signature; shock device 1) ca. 1950: Delbana Watch Swiss; Monorex (Landeron 148, 13.75''') 2) 1937: - Brevet+ (Landeron 47, 13.75''') 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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