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 Fig. 1  Fig. 2 | Dugena 558 (Kasper 750) Features manual wind sweep second Data 10.5''', Dm= 23.3mm, Do= 23.7mm H= 4.35mm F= 1.35mm T= 1.6mm 17 jewels f = 18000 A/h power-reserve 45h Balance staff U1999 Stem W2197 Mainspring / battery Zf1214, 1.50 x 9.0 x 0.105 x 270mm Hands 1.40 x 0.80 x 0.24mm Comments about the data | Remarks unusual: crown mechanism with rocker bar, but ratchet on back side and functionless crown wheel option: ratchet on dial side family/generations: 558: rocker-bar winding 1100, 1101: clutch winding: Example, year: signature; shock device ca. 1955: O, Dugna 558 - Kasper; Monorex 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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