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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2 | Lorsa 237B Features manual wind sub second Data 10.5''', Dm= 23.3mm H= 4.0mm T= 2.0mm 15/17 jewels f = 18000 A/h power reserve 35h Balance staff U1657 Stem W1111 Mainspring / battery Zf1348, 1.65 x 9.0 x 0.10 x 290mm Hands 1.40 x 0.70 / 0.20mm Comments about the data | Remarks family/generations: manual wind: 236: sub second 237AT: sweep second minor modifications base plate: 237B: sub second 237BC: sub second, date 237BT: sweep second 237BCT: sweep second, date automatic: 237B(AUT): sub second 237BC(AUT): sub second, date 237BT(AUT): sweep second 237BCT(AUT): sweep second, date Example, year: signature; shock device ca. 1945: - Lorsa 237B 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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