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el reloj es muy bonito. Coge una lupa y mira junto al volante si localizas algún numero. Ejemplo.
Ver el archivos adjunto 553831
ya esta, no solo avanzado por el maestro Luis, sino confirmado por ti mismo. Tengo uno con este calibre del año 1912. Yo lo hice reparar y no me arrepiento. https://relojes-especiales.com/threads/longines-con-historia-argentina.336693/
Ver el archivos adjunto 553889
Ver el archivos adjunto 553893
[TABLE="width: 100%"]
[TR="bgcolor: #F8C8C8"]
[TD="width: 250"]![]()
Fig. 1
![]()
Fig. 2
![]()
Fig. 3
![]()
Fig. 4[/TD]
[TD="bgcolor: #FFD2D2"][SIZE=+1]Longines 18.49[/SIZE]
Features
stem wind and pin set
sub second
Data
18''', Dm= 39.75mm, Do= 40.65mm
F= 0.75mm
T= 3.0mm
H= 7.05mm
7/15 jewels
f = 18000 A/h
power reserve 38h
Balance staff U1048
Stem W1547
Mainspring / battery
2.50 x 15.5 x 0.19mm
Hands
1.78 x 0.55 / 0.26mm
Comments about the data[/TD]
[TD="width: 40%"]Remarks
1889-
open face calibre
bimetallic screw balance
ratchet on dial side, click-unlocking from rear side by marked screw head, crown mechanism with rocker bar
straight long lever (ligne angulaire) with counterweight and hidden pallets (Fig.3)
Swiss Patent 16831:
two-section regulator for coarse and fine adjustment (Fig.4)
filed 11-21-1931, Charles Brisebard, Besancon (FR)
family:
18.49: open face
18.50: hunter
Example, year: signature; shock device
1908: Longines, +16831 - 2030522[/TD]
[/TR]
[/TABLE]
Jesús, tómale el número largo y más o menos se sabe el tiempo que tiene.
This watch was manufactured in 1925 (approximately)
[h=1]Longines Serial Numbers and Production Dates[/h]This table can be used to establish the approximate age of your Longines watch using the serial number. Longines serial numbers are usually found on the back plate of the movement.
[TABLE="class: datatable multi_tables first, width: 239"]
[TR]
[TH]Year[/TH]
[TH]S/N[/TH]
[/TR]
[TR]
[TD]1867[/TD]
[TD]1[/TD]
[/TR]
[TR]
[TD]1870[/TD]
[TD]20,000[/TD]
[/TR]
[TR]
[TD]1875[/TD]
[TD]100,000[/TD]
[/TR]
[TR]
[TD]1882[/TD]
[TD]250,000[/TD]
[/TR]
[TR]
[TD]1888[/TD]
[TD]500,000[/TD]
[/TR]
[TR]
[TD]1893[/TD]
[TD]750,000[/TD]
[/TR]
[TR]
[TD]1899[/TD]
[TD]1,000,000[/TD]
[/TR]
[TR]
[TD]1901[/TD]
[TD]1,250,000[/TD]
[/TR]
[TR]
[TD]1904[/TD]
[TD]1,500,000[/TD]
[/TR]
[TR]
[TD]1905[/TD]
[TD]1,750,000[/TD]
[/TR]
[TR]
[TD]1907[/TD]
[TD]2,000,000[/TD]
[/TR]
[TR]
[TD]1909[/TD]
[TD]2,250,000[/TD]
[/TR]
[TR]
[TD]1911[/TD]
[TD]2,500,000[/TD]
[/TR]
[TR]
[TD]1912[/TD]
[TD]2,750,000[/TD]
[/TR]
[TR]
[TD]1913[/TD]
[TD]3,000,000[/TD]
[/TR]
[TR]
[TD]1915[/TD]
[TD]3,250,000[/TD]
[/TR]
[TR]
[TD]1917[/TD]
[TD]3,500,000[/TD]
[/TR]
[TR]
[TD]1919[/TD]
[TD]3,750,000[/TD]
[/TR]
[/TABLE]
[TABLE="class: datatable multi_tables, width: 239"]
[TR]
[TH]Year[/TH]
[TH]S/N[/TH]
[/TR]
[TR]
[TD]1922[/TD]
[TD]4,000,000[/TD]
[/TR]
[TR]
[TD]1925[/TD]
[TD]4,250,000[/TD]
[/TR]
[TR]
[TD]1926[/TD]
[TD]4,500,000[/TD]
[/TR]
[TR]
[TD]1928[/TD]
[TD]4,750,000[/TD]
[/TR]
[TR]
[TD]1929[/TD]
[TD]5,000,000[/TD]
[/TR]
[TR]
[TD]1934[/TD]
[TD]5,250,000[/TD]
[/TR]
[TR]
[TD]1937[/TD]
[TD]5,500,000[/TD]
[/TR]
[TR]
[TD]1938[/TD]
[TD]5,750,000[/TD]
[/TR]
[TR]
[TD]1940[/TD]
[TD]6,000,000[/TD]
[/TR]
[TR]
[TD]1945[/TD]
[TD]7,000,000[/TD]
[/TR]
[TR]
[TD]1950[/TD]
[TD]8,000,000[/TD]
[/TR]
[TR]
[TD]1953[/TD]
[TD]9,000,000[/TD]
[/TR]
[TR]
[TD]1956[/TD]
[TD]10,000,000[/TD]
[/TR]
[TR]
[TD]1959[/TD]
[TD]11,000,000[/TD]
[/TR]
[TR]
[TD]1962[/TD]
[TD]12,000,000[/TD]
[/TR]
[TR]
[TD]1966[/TD]
[TD]13,000,000[/TD]
[/TR]
[TR]
[TD]1967[/TD]
[TD]14,000,000[/TD]
[/TR]
[TR]
[TD]1969[/TD]
[TD]15,000,000[/TD]
[/TR]
[/TABLE]
Si le mandas ese número a Longines a Suiza por email ellos te contestan y te dicen exactamente cuando se fabricó y a quién se lo facturaron.
Y cual seria el e mail?
La verdad esque sería muy interesante saberlo.
¡Cuántas cosas estot aprendiendo! Muchas gracias a todos de verdad

Hola Jesu;
Yo les escribo aquí: [FONT=wf_segoe-ui_normal][email protected]
Siempre contestan, aunque tarden. Te suelen pedir fotos del reloj y la máquina, y los números de referencia y calibre. Se los envías del tirón y ganas tiempo. [/FONT]![]()