Omega 342
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Fig. 1
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Omega 342[/SIZE]
Features
automatic (bumper)
sub second
Data
Dm= 28.1mm, Do= 28.5mm
H= 4.8mm
F= 1.4mm
T= 1.5mm
17 jewels
f = 19800 A/h
power reserve 42h
Balance staff U1604
Stem W2907
Mainspring / battery
Zf490, 1.10 x 8.5 x 0.10 x 250mm
Hands
1.40 x 0.65 / 0.15mm
Comments about the data[/TD]
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Remarks
1949-1952
family 28.10, 30.10 (330...355): 1943-1955, >1300000 (incl. >500000 chronometers)
1949 renamed 28.10T1 RA PC to 342
family/generations:
30.1mm, sub second:
330 (30.10RA PC): -
331 (30.10RA PC AM): antimagnetic
332 (30.10T1 RA PC): redesign 331
333 (30.10T1 RA PC RG): excenter regulator
28.1mm, sub second:
340 (28.10RA PC): -
341: jubilee edition of 340
342 (28.10T1 RA PC): redesign 340
343 (28.10T1 RA PC RG): Chronometer, excenter regulator
344: redesign 342
28.1mm, sweep second:
350 (28.10RA SC PC): -
351 (28.10T1 RA SC PC): redesign 350
352: chronometer, excenter regulator
353: date
354: redesign 351
355: date, redesign 353
Example, year: signature; shock device
1950: 12326879, Omega Watch Co. Swiss, 17 Jewels; Incabloc[/TD]
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