Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
The day of the month, displayed in a window on a watch dial typically at the 3 o'clock or 6 o'clock position.
Transparent case back Transparent case backA transparent case back - frequently made of sapphire - makes it possible to see the movement inside the watch.
- Bracelet: steel
- Case: Steel
- Case diameter: 39.2 mm
- Dial colour: White
- Crystal: Domed scratch‑resistant sapphire crystal
- Water resistance: 15 bar (150 metres / 500 feet)
CALIBRE OMEGA 2500
Self-winding chronometer, Co-Axial escapement movement with rhodium-plated finish.
- 48 hours
- Self winding
Find a store
Order a Catalogue
Get the latest edition of our official Omega catalogue "The Collection".