OMEGA CONSTELLATION OMEGA CO‑AXIAL 38 MM - Steel on Steel
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
A transparent case back ‑ frequently made of sapphire ‑ makes it possible to see the movement inside the watch.
Between lugs: 25 mm
Case diameter: 38 mm
Dial colour: Black
Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Water resistance: 10 bar (100 metres / 330 feet)
Power reserve: 60 hours
Type: Self winding