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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1 | Amida 420 Features manual wind sweep second Data 10.5''', Dm= 23.3mm, Do= 23.75mm F= 0.95mm T= 1.7mm 1 jewel f = 18000 A/h Balance staff U3349 Stem W1763 Mainspring / battery Zf1323, 1.60 x 10.0 x 0.11 x 320mm Hands 1.40 x 1.00mm Comments about the data | Remarks pin-lever escapement The correlations between calibre designations and features were picked up from many incomplete sources, thus are not very reliable. But as all calibres are only signed with 420 or 420/425, this is not really important. family: 420: 10.5''' 421: 10.5''', date 425: 11.5''' 427: 11.5''', date 428: 11.5''', day, date 435: 11.5''', digital display 4350: 11.5 x 10.5''', digital display Example, year: signature; shock device ca. 1975: Amida 420, Endura Time Corp., Amida, Swiss, Pat. Pend., Unadjusted, 1 Jewel; Kif-Trior (Amida 4350) © R. van Rijn 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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