Omega Calibre 3304 Drawing

Omega Caliber 3304

BrandOmega
Caliber Number3304
In-House?
No
Base CaliberETA/Valjoux 7753
Movement TypeAutomatic, self-winding mechanical, chronograph
Chronometer?Yes (COSC)
Lignes
13.25”’
Diameter30mm
Height7.9mm
Jewels27
Beat Rate / Frequency
28,800 bph / 4 Hz
Power Reserve48 hours
BalanceGlucydur
Regulator
ETACHRON
Hand Count
6
Chronograph Layout
3-6-9
FeaturesCentral hours; central minutes; central chronograph seconds; small seconds at 9:00; 30 minutes counter at 3:00; 12 hours counter at 6:00; date at 6:00
Country of ManufactureSwitzerland, Swiss made
Known ModelsOmega Speedmaster Date (Ref: 323.30.40.40.06.001) (Add your watch to the comments below…)

The Omega caliber 3304 is an automatic tri-compax chronograph movement based on the ETA 7753 (7750 framework), unlike 3301, 3303, 3313 that were based on column wheel Piguet movements. It was released circa November of 2009.

Calibre 3304 is found in various Speedmaster Date models, marking an evolution in the model line which previously used calibers 1154/1164.

Omega caliber 3304

Omega 3304 Pictograms + COSC Cards:

Omega 3304 Pictograms Cosc Cards

Caliber Commentary:

From ChronoScot on WUS:

“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.”

Additional Resources:

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