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|IWC 57 19'''H6.5|
stem wind and pin set
19''', Dm= 41.8mm, Do= 43.2mm
(winding gear +0.25mm)
f = 18000 A/h
power reserve 31/38h
with/without Geneva stopwork
Balance staff Ronda 1345
1.85 x 1.00 / 0.26mm
Comments about the data
open face calibre
bimetallic screw balance with 4 adjustment screws
option: barrel with Geneva stopwork
patented big bearings for crown- and ratchet wheel
details cf. IWC 52 19'''H5
Example, year: signature; shock device
1-2) 1905: 343665, Mod. Déposé
2-4) 1906: 367538, M. Déposé
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.
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