Planet Ocean Big Size
Steel on rubber strap
Note: watch no longer available
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.
Helium escape valve Helium escape valve
Decompression system which allows helium to escape from inside the watch when the watch is worn for professional use in pressure chambers. (Long-term underwater work, crude oil exploration, etc.)
Screw-in crown Screw-in crown
Self-locking crown, screwed into the tube of the case, used for highly water resistant divers' watches.
Unidirectional rotating bezel Unidirectional rotating bezel
A bezel which turns in only one direction. Particularly useful for divers who cannot accidentally rotate it in the wrong direction, which could cause them to miscalculate their dive times. A rotating bezel makes it easy to measure elapsed time.
- Between lugs: 22 mm
- Bracelet: rubber strap
- Case: Steel
- Case diameter: 45.5 mm
- Dial colour: Black
- Crystal: Domed scratch‑resistant sapphire crystal
- Water resistance: 60 bar (600 metres / 2000 feet)
Self-winding chronometer, Co-Axial escapement movement with rhodium-plated finish.
- 48 hours Power reserve
- Self winding
Find a store
Order a Catalogue
Get the latest edition of our official Omega catalogue "The Collection".