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 Fig. 1  Fig. 2 | Landeron 11 Features manual-windchronograph, 60s, 30min, pillar wheel, single pusher sub second Data 13''', Dn= 29.33mm 17 jewels f = 18000 A/h power reserve 42h Balance staff U1536 Stem W1158 Mainspring / battery Zf974, 1.35 x 11.5 x 0.13 x 360mm Hands 1.85 x 1.25mm Comments about the data | Remarks Breguet hairspring like 13, but weaker main spring Example, year: signature; shock device 1) ca. 1945: 17 Jewels (Landeron 13) 2) 1937: - Brevet+ (Landeron 47, 13.75''') © S. Walter (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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