Caliber Corner stickers are here!
Omega Caliber 2211 Railmaster XXL

Omega Caliber 2211

Omega Caliber 2211 Railmaster XXL

Caliber Number2211
Movement TypeManual wind
Base CaliberETA Unitas 6498-2
Power Reserve53 hours
Vibrations Per Hour21,600
FeaturesSmall seconds
Country of ManufactureSwitzerland
Known Models231.

The large Omega caliber 2211 is found in the XXL Seamaster Aqua Terra Small Seconds (reference: 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.

What do you think about Omega Caliber 2211? Keep comments respectful and follow our community guidelines.
newest oldest most voted
Notify of
Steve Tang
Steve Tang
• 5 years ago

Don’t some Panerai watches use this movement too?

Omega Aqua Terra XXL Small Seconds | KeepTheTime Video Reviews
• 3 years ago

[…] • MOVEMENT INFO • […]

Fabio Giardina
Fabio Giardina
• 17 days ago

The Panerai Uses the 6897-2 calibers..