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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Elgin 317

Features
stem wind, switching by crown or lever
sub second

Data
18 size, Dm= 44.65mm, Do= 45.75mm
H= 10.1mm
(dial collar +0.25mm)
F= 1.05mm
T= 3.5mm
15 jewels
f = 18000 A/h
power reserve 33h

Mainspring / battery
2.92 x 17.5 x 0.229 x 570mm

Hands
2.46 x 1.27 / 0.30mm

Comments about the data

Remarks
1903-1927, 261500
open face calibre, model 5
bimetallic screw balance, Breguet hairspring
regulator with nut on thread bow
unusual: ratchet under base plate (can be disengaged through a tiny hole at the movement edge), negative stem mechanism with rocker bar

family:
(class)
43 (10): 11 jewels
44 (9): 15-17 jewels, GMW
73 (11): 7 jewels, gilded
74 (10): 11 jewels, gilded
75 (9): 15-17 jewels, gilded, GMW
76 (8): 15 jewels, gilded, Adj., TAY
77 (7): 15-17 jewels, gilded, Adj., BWR
116 (7): 15-17 jewels, Adj., BWR
123 (9): 15-17 jewels, gilded, Adj.
124 (9): 15-17 jewels, Adj.
145 (10): 15 jewels, gilded
146 (10): 15 jewels
147 (9): 15-17 jewels, gilded, Adj., GMW
148 (9): 15-17 jewels, Adj., GMW
150 (7): 20-21 jewels, Adj. 5 Pos., FT
165 (8): 17 jewels, OVR
166 (7): 17 jewels, Adj.
170 (10): 15 jewels
172 (11): 7 jewels
179 (?): 7 jewels, ACM AMR ATL SOL SUN
184 (7): 17 jewels, Adj., BWR
208 (63): 7 jewels
215 (63): 7 jewels, gilded
218 (63): 15 jewels
227 (10): 17 jewels, gilded
229 (10): 17 jewels
250 (64): 17 jewels, Adj.
262 (63): 15 jewels
279 (9): 17 jewels, Adj., OVR
285 (63): 15 jewels, gilded
288 (106): 7 jewels
294 (106): 7 jewels, gilded
297 (106): 15 jewels
308 (104): 17 jewels, Adj.
317 (106): 15 jewels
326 (106): 15 jewels, gilded
336 (106): 17 jewels
379 (106): 17 jewels, Adj.
411 (106): 21 jewels, two tone

model names
BWR: B.W. Raymond
FT : Father Time
GMW: G. M. Wheeler
OVR: Overland
TAY: Henry H. Taylor
low-price brands:
ACM: Acme
AMR: America
ATL: Atlas
SOL: Solar
SUN: Sun-Dial

Example, year: signature; shock device
1911: 16470746, Elgin Natl. Watch Co., U.S.A., 15 Jewels - 16470746
(Elgin 326)

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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