Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
A transparent case back - frequently made of sapphire - makes it possible to see the movement inside the watch.
A hand on a sub-dial which tracks seconds; typically it completes a full rotation in one minute.
technical data
Crystal
Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
Case
Steel
Dial
Grey
Water resistance
150 m (500 feet)
Size
Gents Case Diameter: 49.2 mm
movement
Caliber: Omega 2211
Manual-winding movement with small seconds at 6 o’clock. Geneva waves, circular graining, rhodium-plated finish gold plated engravings. Officially certified chronometer.