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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2 | Zodiac 91 (ETA-ESA 9150) Dynotron Features electronically controlled balance motor sweep second date: set by changing 23-24h hack feature Data 12.5''', Dm= 28.0mm H= 5.55mm 13 jewels f = 21600 A/h Stem ESA 9150 Mainspring / battery 343 (original, mercury), 344 (replacement, silver odixe) Hands 1.50 x 0.90 x 0.22mm Comments about the data | Remarks 1967-1970 first calibre with electronically controlled balance motor Example, year: signature; shock device 1970: 12339843, Y2, 66, Tissot 430, Swiss, 13 Jewels; Incabloc (Tissot 430/ETA-ESA 9150) 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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