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 Fig. 1  Fig. 2 | Valjoux 23 Features manual-wind chronograph, 60s, 30/45min, pillar wheel sub second Data 13''', Dm= 29.5mm, Do= 30.0mm H= 5.82mm F= 0.5mm T= 1.6mm 17 jewels f = 18000 A/h power reserve 48h Balance staff U1546 Stem W1276 Mainspring / battery Zf889, 1.30 x 12.0 x 0.14 x 360mm Hands 1.60 x 1.10 x 0.25 / 0.25 x 0.23mm Comments about the data | Remarks 1916-1974, >125000 (VZ + 23) since 1938 with two pushers option: single pusher at 2h early samples: Breguet hairspring late samples: flat hairspring, mobile stud carrier, optional Triovis regulator family/generations: 18000 A/h: 23 : base calibre 230: fly back 23C: calendar 72 : hour counter 720: hour counter, fly back 724: hour counter, 24h hand gear 72C: hour counter, calendar 78 : no chronograph, calendar 88 : hour counter, calendar, moon phase 90 : no chronograph, calendar, moon phase 21600 A/h: 236: base calibre 234: date (window) 235: fly back 237: date (window), fly back 725: hour counter, fly back 726: hour counter 729: hour counter, 24h hand gear 730: hour counter, calendar 886: hour counter, calendar, moon phase Example, year: signature; shock device 1) ca. 1950: Doxa S.A., Swiss, 17 Jewels (30min) 2) ca. 1930: - (Valjoux VZ) 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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