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 Fig. 1  Fig. 2 | IWC 63 12.5'''Mod.1894 Features stem wind and pin set sub second Data 12.5''', Dm= 27.55mm, Do= 28.1mm H= 4.7mm (winding gear +0.15mm) 15 jewels f = 18000 A/h power reserve 30h Balance staff U871 Stem W897 Mainspring / battery 1.40 x 11.0 x 0.14 x 290mm Hands 1.30 x 0.42 / 0.18mm Comments about the data | Remarks 1895-1897, 1800 1892-1919, 30780 (all 63) open face calibre bimetallic screw balance with 4 adjustment screws Breguet hairspring barrel with Geneva stopwork differences not known to 63-12.5 Example, year: signature; shock device 1901: 235486 - IWC (IWC 63 12.5''') 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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