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View picture in original size
Fig. 1

View picture in original size
Fig. 2

View picture in original size
Fig. 3

Elgin 830A

Features
manual wind

Data
20/0 size, Dm= 13.2 x 15.55mm
H= 3.5mm
23 jewels
f = 18000 A/h
power reserve 41h

Mainspring / battery
1.10 x 8.0 x 0.09mm

Hands
0.90 x 0.50mm

Comments about the data

Remarks
1958-1963
flat freesprung hairspring
DuraBalance regulator: balance with two regulating weights, shifted simultaneously along the spiral-shaped spokes with a regulator lever
the shock protection is realized by the elastical balance spokes

family:
830 : adjusted in 3 positions
830A: adjusted in 6 positions

Example, year: signature; shock device
ca. 1960: Elgin, U.S.A, 6 Adj, 23 Jewels

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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