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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2  Fig. 3 | Eterna 1323U Features automatic sweep second Data 9.25''', Dm= 20.5mm, Do= 20.8mm H= 5.5mm (ball bearing +0.1mm) F= 1.0mm T= 1.55mm 17 jewels f = 18000 A/h power reserve 39h Balance staff U2021 Stem W2201 Mainspring / battery 1.30 x 8.0 x 0.08mm Hands 1.30 x 0.80 x 0.20mm Comments about the data | Remarks 1953- equivalent ETA family 1306-1320 without ball bearing family/generations: fixed stud carrier: 1319: 9.25''' 1321: 10.5''' mobile stud carrier: 1323: 9.25''' 1324: 10.5''' It is unknown whether both generations were made with T- and U shock protection; here only the known variants are listed. Example, year: signature; shock device 1956: 4142005, Eterna-Matic, Brevete; Eterna-U 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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