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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Gruen 116

Features
manual wind
sub second

Data
9.75''', Dm= 21.7mm
H= 3.5mm
15 jewels
f = 18000 A/h
power reserve 32h

Mainspring / battery
1.10 x 8.5 x 0.105 x 265mm

Hands
1.05 x 0.60 / 0.18mm

Comments about the data

Remarks
1925-
bimetallic screw balance, Breguet hairspring
stem mechanism without setting-lever spring
differences not known between 115, 116

Example, year: signature; shock device
ca. 1925: 621951, Gruen Watch Co, Precision, Switzerland, 4 Adj., Temp., 15 Jewels - 621951
(Gruen 115)

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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