Steel on leather strap 222.18.38.50.01.001

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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.
• 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.)
• ChronometerLabel given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
• DateThe day of the month, displayed in a window on a watch dial typically at the 3 o'clock or 6 o'clock position.
• DiamondsThe hardest, most luminous precious stone whose value is calculated according to the 4C criteria: Cut - Carat - Clarity - Color.
• Screw-in crownSelf-locking crown, screwed into the tube of the case, used for highly water resistant divers' watches.
• ChronographComplicated watch with a function for measuring short time periods in addition to its function for permanently displaying hours, minutes and seconds.
• Small secondsA 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

  Laquered black

• Water resistance

  600 m (2000 feet)

• Size

  Ladies
  Case Diameter: 37.5 mm

movement

Caliber: Omega 3313

Self-winding chronograph movement with column wheel mechanism and Co-Axial Escapement for greater precision stability and durability of the movement. Free sprung balance, with date, hour, minute and continuous small seconds hands, central chronograph hand.

Power reserve: 52 hours