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 Fig. 1  Fig. 2 | Alpina 215 (Junghans J33b) Features stem wind and set sub second Data 18.5''', Dm= 41.4mm, Do= 42.0mm H= 5.9mm (winding gear +0.1mm) F= 0.5mm T= 2.5mm 15 jewels f = 18000 A/h power reserve 35h Balance staff U418 Stem W300 Mainspring / battery Zf3641, 2.20 x 16.0 x 0.20 x 460mm Hands 1.85 x 1.15 / 0.25mm Comments about the data | Remarks open face calibre Breguet hairspring slightly modified train bridge especially for Alpina until now only noticed difference between 215 and 245: different alignment-pin diameters family/generations: 205: 7 Jewels, thick alignment pins 215: 15 Jewels, thick alignment pins 245: 15 Jewels, thin alignment pins Example, year: signature; shock device ca. 1925: Alpina 215 - 2896 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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