Omega 340
Omega'sfirstautomatic movement, producedfrom 1942 to 1949andfrom 1949with newcaliberdesignations.See alsoOmegacal: 330 -355th
The movementof theimagewith serial number: 10 412 960,is madeaprox in: 1945.
Data: Omega cal: 340 (28.10 RA PC AM 17p)
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17 jewels, automatic wind, sub second. -
S: = 28,10 mm. -
H: = 4,80 mm. -
N: = 19800. -
Power reserve: 42 h.
Versions untill 1949. Marked on the plate:
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30.10 RA PC AM 17p: sub second, from -49 = cal: 330. -
30.10 RA PC JUB AM 17p: sub second, chronometer, from -49 = cal: 331. -
30.10 RA PC T1 AM 17p: sub second, from -49 = cal: 332 -
28.10 RA PC AM 17p: sub second, from -49 = cal: 340 -
28.10 RA PC JUB AM 17p: sub second, chronometer, from -49: cal: 341. -
28.10 RA PC T1 AM 17p: sub second, from -49 = cal: 342 -
28.10 RA SC PC: center second, from -49, cal: 350 -
28.10 RA SC PC T1 AM 17p: center second, from -49, cal: 351