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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2 | Felsa 77 Features manual wind sub second Data 10.5''', Dm= 23.3mm 15/17 jewels f = 18000 A/h Balance staff U591 Stem W193 Mainspring / battery Zf1389, 1.70 x 9.0 x 0.10 x 290mm Hands 1.40 x 0.80mm Comments about the data | Remarks bimetallic screw balance differences not known between 71, 73, 75-80, 144, 166, 167, 203, 205, 216, 219, 240, 244, 255, 268, 284, 286, 287, 326 family/generations: 71: sub second 86: sweep second 100: sub second, date 131: sub second, 11''' Example, year: signature; shock device ca. 1935: 119017, Gothic Watch Co New York, Jar-Proof, Adjusted to Temperature, Patent + No.102795, Made in Switzerland, 17 Jewels - 212498, Pat'd (Felsa 71) © B. Johnson 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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