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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2 | AS 1637N Features manual wind sweep second Data 13''', Dm= 29.0mm, Do= 29.4mm H= 4.5mm F= 1.0mm T= 1.8mm 17 jewels f = 18000 A/h power reserve 38h Balance staff U2452 / U3129 for balance with/without screws Stem W2539 Mainspring / battery Zf1251, 1.50 x 11.5 x 0.14 x 330mm Hands 1.50 x 0.90 x 0.21mm Comments about the data | Remarks so called Wehrmachtswerk (army movement) like 1604, but adjustable stud carrier and Lubrifix combined setting for escape wheel differences not known between 1604N, 1637N Example, year: signature; shock device ca. 1960: AS 1604, 1637, Arsenal, Swiss, 17 Jewels - W1; Incabloc 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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