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 Fig. 1  Fig. 2 | AM 525 Features stem wind and set sub second Data 16.25''' (16...17'''), Dm= 36.4mm, Do= 36.8mm H= 3.95mm F= 0.5mm T= 1.9mm 15 jewels f = 18000 A/h power reserve 30h Balance staff U1296 Stem W1466 Mainspring / battery Zf2972, 1.45 x 15.0 x 0.18 x 450mm Hands 1.90 x 1.00 / 0.28mm Comments about the data | Remarks open face calibre option: bimetallic screw balance (in example uncut) differences not known between 520...529 family: 480...489: H= 4.5mm 490...499: H= 5.5mm 500...509: H= 5.85mm 520...529: H= 3.95mm 540...549: H= 3.45mm Example, year: signature; shock device 1936: IX, Swiss Made, 15 Jewels - AM logo, Ebauches-SA logo from 1936 (TR in shield) (AM 520, 16.25''') 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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