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8/0 size, Dm= 23.25mm, Do= 23.7mm
f = 18000 A/h
power reserve 40h
Balance staff U1845
1.12 x 0.75 x 0.22mm
Comments about the data
519: 15 jewels, matte
524: 17 jewels
526: 7 jewels, matte
531: 21 jewels, LE
532: 15/16 jewels, matte, sweep second
539: 15/16 jewels, matte or gilded, sweep second, hack feature
LE : Lord Elgin
Example, year: signature; shock device
1944: Y796525, Elgin 539, U.S.A., 15 Jewels
© K. van der Zouwen
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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