OMEGA’s sporty Seamaster collection is a tribute to the brand’s maritime legacy. This exquisite example of our renowned watchmaking pays homage to OMEGA’s dive watch heritage and our adventurous pioneering spirit. This OMEGA Seamaster Diver 300M Regatta features a black dial with a yellow five-minute countdown tracker on the 30-minute recorder at 3 o\'clock, a 12-hour recorder at 6 o\'clock and a small seconds dial at 9 o\'clock. The matt black ceramic unidirectional rotating bezel is mounted on a 44 mm stainless steel case with a helium-escape valve and an integrated date corrector at 10 o\'clock. The watch is presented on a stainless steel bracelet. This chronograph is powered by the OMEGA Co-Axial calibre 3330.

• ChronographComplicated watch with a function for measuring short time periods in addition to its function for permanently displaying hours, minutes and seconds.



• 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.



• 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.)



• Screw-in crownSelf-locking crown, screwed into the tube of the case, used for highly water resistant divers\' watches.



• 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.



• Regatta timingA watch function which allows the easy reading of the critical regatta time intervals at glance.

• Crystal

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




• Case

  Steel




• Dial

  Black




• Water resistance

  30 bars (300 metres / 1000 feet)




• Size

  Case Diameter: 44 mm

Self-winding chronograph with column-wheel mechanism and Co-Axial Escapement for greater precision, stability and durability of the movement. Free sprung-balance equipped with Si14 silicon balance spring. Officially certified chronometer.

Power reserve: 52 hours