timerglass, tu reloj es o parece igual al de este hilo reciente.
https://relojes-especiales.com/threads/que-calibre-es.438914/.
Omega los hacia igual con distinto tamaño o lineas, por lo que es imprescindible conocer la medida exacta del calibre y a ser posible ver el resorte del tiret.
como ejemplo y solo como info.
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Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
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Omega 19'''[/SIZE]
Features
stem wind and set
sub second
Data
19''', Dm= 43.1mm, Do= 44.2mm
H= 6.6mm
(dial collar +0.4mm, winding gear +1.0mm)
F= 0.4mm
T= 2.4mm
7/15/16 jewels
f = 18000 A/h
power reserve 35h
Balance staff U320
Stem W248
Mainspring / battery
2.60 x 17.0 x 0.20mm
Hands
1.90 x 1.25 / 0.30mm
Comments about the data[/TD]
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Remarks
1894-1911
open face calibre
bimetallic screw balance with 4 adjustment screws
Breguet hairspring
options: Reed's regulator, cam disc regulator
First Omega calibre from Louis Brandt & Frère; it was made in grades A to D, where C and D offered chronometer precision.
The Omega, engraved into the balance cock (Fig.3), should symbolize as last letter of the Greek alphabet the summit of technology.
The name
Omega of this calibre was given to the company not before 1903.
The redesign, introduced 1911, was renamed to Omega 42.7 in 1919.
Swiss Patent 8760:
stem setting mechanism with clutch wheel and rocker bar, prevents moving of hands when switching to winding position,
filed 08-01-1894, Louis Brandt & Frère, CH
Example, year: signature; shock device
1-3) 1896: Omega, M - 1204679, +8760
(grade A, 15 jewels)
4-5) 1895: 1125069 - 1125069, +8760
(grade C or D, 16 jewels)[/TD]
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