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View picture in original size
Fig. 1

View picture in original size
Fig. 2

IWC 57 18'''H7 Mod.1894

stem wind and pin set
sub second

18''', Dm= 40.5mm, Do= 40.9mm
H= 7.0mm
(winding gear +0.2mm)
F= 1.0mm
T= 3-0mm
15 jewels
f = 18000 A/h
power reserve 30h

Balance staff Ronda 1113

1.82 x 0.70 / 0.24mm

Comments about the data

1885-1897, 8700
open face calibre
bimetallic screw balance with 4 adjustment screws
Breguet hairspring
barrel with Geneva stopwork

Example, year: signature; shock device
1897: 153984
(IWC 57 19'''H7 Mod.1894)

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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