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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Elgin 447

stem wind and set
sub second

10/0 size, Do= 22.0mm, Dm= 21.3mm
H= 3.8mm
17 jewels
f = 18000 A/h
power reserve 36h

Mainspring / battery
1.27 x 8.5 x 0.11mm

1.12 x 0.64 / 0.18mm

Comments about the data

1916-1927, 683000
open face calibre, model 5
bimetallic screw balance, Breguet hairspring
ingenious: one simple part replaces setting-lever spring, yoke, and yoke spring

444 (138): 15 jewels, partially Lady Elgin
445 (137): 17 jewels, partially Lady Elgin
447 (138): 7 jewels

Example, year: signature; shock device
1925: 28048929, Elgin U.S.A., 15 Jewels - 28048929
(Elgin 444)

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.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft

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