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 Fig. 1  Fig. 2 | Junghans 651.10 (ETA 2451) Features automatic sweep second Data 11.5''', Dm= 25.6mm, Do= 26.0mm H= 5.3mm F= 1.4mm T= 1.85mm 17 jewels f = 18000 A/h power reserve 42h Balance staff U2950 Stem W3141 Mainspring / battery Zf869, 1.30 x 9.5 x 0.105 x 300mm Hands 1.50 x 0.90 x 0.21mm Comments about the data | Remarks 1963-1973 balance staff and stem differing from ETA family: 651.00: 21 jewels 651.02: 21 jewels, date 651.10: 17 jewels 651.12: 17 jewels, date 651.13: same, but raised hands Example, year: signature; shock device 1965: ETA 2451, Junghans 651 - Patented; Junghans-II (Junghans 651.00) 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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