Omega caliber 3304

Omega Caliber 3304

BrandOmega
Caliber Number3304
Base CaliberETA/Valjoux 7750
Movement TypeAutomatic
Jewels27
Power Reserve48 hours
Vibrations Per Hour28,800
Diameter30mm
Height7.9mm
Chronometer (COSC)Yes
BalanceGlucydur / Etachron
FeaturesHours, minutes, central chronograph seconds, small seconds, minutes counter, 12 hours counter, date
Country of ManufactureSwitzerland
Known Models323.30.40.40.06.001

Released in November of 2009, the Omega caliber 3304 is based on the ETA 7750 (unlike 3301, 3303, 3313 that were based on column wheel Piguet movements). This automatic chronograph movement is used in the Speedmaster Date (Ref: 323.30.40.40.06.001). It replaced the previous caliber 1164.

From ChronoScot on watchuseek:

The newer cal 3304 has one specific technical difference to the cal 1164 that might have a slight bearing on your choice – the date of the cal 3304 is adjusted using a push button at the 10 o’clock position, while the cal 1164 uses the regular crown adjustment. I don’t believe that one is better than the other, it’s rather just a matter of preference on whether you want to use a pen or similar to change the date.

Omega caliber 3304

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