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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2  Fig. 3 | Landeron 4750 Features electromechanically controlled balance motor sweep second Data 11.5''', Dm= 25.6mm H= 4.35mm 12/13 jewels f = 18000 A/h Mainspring / battery external, 1.3V...1.65V Hands 1.50 x 0.90 x 0.20mm Comments about the data | Remarks 1960-1961 first electrical Swiss wrist-watch movement early samples without excenter regulator (Fig.3) standard mounting frame Dm=Do=30.2mm (photos) Example, year: signature; shock device 1-2) ca. 1960: QZY, Onsa Watch Factory, Swiss, 12 Jewels - NZ; Incabloc 3) ca. 1960: Enicar; Incabloc © 3) Uhrmachermeister Mikl  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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