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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Gruen 416

manual wind
sub second

10.5''', Dm= 23.4mm
H= 3.6mm
15 jewels
f = 18000 A/h
power reserve 41h

Balance staff U2147

Stem W2161

Mainspring / battery
Zf1223, 1.50 x 9.5 x 0.11 x 290mm

1.22 x 0.66 / 0.16mm

Comments about the data

Breguet hairspring
differences not known between 416, 417

respectively 17/15 jewels
415/416,417: 10.5''', sub second
415SS/416SS: 10.5''', sweep second
415CA /---: 10.5''', sub second, calendar
422/423: 11.5''', sub second
422SS/---: 11.5''', sweep second
suffix R: Incabloc

Example, year: signature; shock device
ca. 1950: GXC, Gruen Watch Co, Swiss, 17 Jewels - *
(Gruen 415)

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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