Seamaster Planet Ocean Big Size

Steel on leather strap 222.18.46.20.01.001

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Features

• Unidirectional rotating bezelA 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.
• Screw-in crownSelf-locking crown, screwed into the tube of the case, used for highly water resistant divers' watches.
• Helium escape valveDecompression 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.)
• DateThe day of the month, displayed in a window on a watch dial typically at the 3 o'clock or 6 o'clock position.
• ChronometerLabel given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
• DiamondsThe hardest, most luminous precious stone whose value is calculated according to the 4C criteria: Cut - Carat - Clarity - Color.

technical data

• Crystal

  Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides

• Case

  Steel

• Dial

  Laquered black

• Water resistance

  600 m (2000 feet)

• Size

  Gents
  Case Diameter: 45.5 mm

movement

Caliber: Omega 2500

Self-winding chronometer, Co-Axial Escapement movement with rhodium-plated finish

Power reserve: 48 hours