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 Fig. 1  Fig. 2 | ZentRa 230 (Urofa 55) Features manual wind sub second Data 10.5''', Dm= 23.3mm, Do= 23.6mm H= 4.2mm F= 0.6mm T= 2.0mm 15 jewels f = 18000 A/h power reserve 39h Balance staff U378 Stem W329 Mainspring / battery Zf1348, 1.65 x 9.0 x 0.10 x 290mm Hands 1.40 x 0.80 / 0.21mm Comments about the data | Remarks stem mechanism without setting-lever spring Example, year: signature; shock device ca. 1940: 8, ZentRa 230 - Urofa 55 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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