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Fig. 2

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Fig. 3

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Fig. 4

IWC 52 19'''H7

stem wind and pin set
sub second

19''', Dm= 41.9mm, Do= 43.2mm
H= 7.0mm
(winding gear +0.3mm)
F= 1.0mm
T= 3.0mm
15/16 jewels
f = 18000 A/h
power reserve 30h

Balance staff Ronda 1113

Stem W1593

Mainspring / battery
2.35 x 0.21mm

2.00 x 0.65 / 0.22mm (1-2, 1902)
1.85 x 0.62 / 0.22mm (3-4, 1903)

Comments about the data

1888-1906, ~97680
1888-1940, ~285060 (all 52)
open face calibre
bimetallic screw balance with 4 adjustment screws
Breguet hairspring
barrel with Geneva stopwork
details cf. IWC 52 19'''H5

Example, year: signature; shock device
1-2) 1902: 268943, JWC
3-4) 1903: 286307, JWC

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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