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 Fig. 1  Fig. 2 | Junghans 661.00 (ETA 2442) Features manual wind Data 6''', Dm= 13.5mm, Do= 13.75mm H= 3.2mm F= 0.8mm T= 1.6mm 17 jewels f = 21600 A/h power reserve 41h Balance staff U2753 Stem W2771 Mainspring / battery 1.43 x 5.5 x 0.0625 x 201mm Hands 1.00 x 0.50mm Comments about the data | Remarks 1963-1968 regulator, balance bearings from Junghans indirectly driven minute allows a very big balance family: 660.70: 18000 A/h 661.00: 21600 A/h Example, year: signature; shock device ca. 1965: 2442, J 661 - Patented; Trishock 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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