Omega Caliber 2211

Brand	Omega
Caliber Number	2211
Movement Type	Manual wind
Base Caliber	ETA Unitas 6498-2
Jewels	17
Power Reserve	53 hours
Vibrations Per Hour	21,600
Hacking?	No
Features	Small seconds
Country of Manufacture	Switzerland
Known Models	231.13.49.10.06.001

The large Omega caliber 2211 is found in the XXL Seamaster Aqua Terra Small Seconds (reference: 231.13.49.10.06.001). This pocket watch movement is a manual wind with 17 jewels and a 53 hour power reserve. It is a certified chronometer (COSC). Based on a ETA Unitas 6498-2. The older and discontinued Railmaster XXL was equipped with essentially the same movement known as caliber 2201. The differences are cosmetic.

• Read more: Differences between the 6497 vs 6498