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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2  Fig. 3  Fig. 4 | Buser 18.5'''H4.75 Features stem wind and set sub second Data 18.5''', Dm= 41.25mm, Do= 42.6mm H= 4.75mm 15 jewels f = 18000 A/h power reserve 30h Balance staff U1009 (Buser 105/106) Stem W1509 (Buser 105/106) Mainspring / battery Zf3640, 2.20 x 16.0 x 0.19 x 480mm (Buser 105/106) Hands 2.00 x 1.10 / 0.26mm Comments about the data | Remarks open-face- or hunter calibre option: Breguet hairspring option: bimetallic screw balance This calibre isn't listed in any common register. But Flume lists a Buser 19''' with equivalent plate layout (Fig.5), and Ronda mentions a Buser 19'''Nidor (brand of Buser), but both are about 6.5mm high. More commonly the calibres Buser 105 (open face) and 106 (hunter) are listed. They have a different layout (Fig.6), but the same height. Therefore their data are partially adopted here. Example, year: signature; shock device 1-2) ca. 1930: - (Breguet hairspring) 3-4) ca. 1930: ZentRa 42 (flat hairspring) 5) 1947: old data sheet 6) 1949: old data sheet 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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