Seamaster 300 Omega Co‑Axial Master Chronometer 41 mm
Platinum on leather strap
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OMEGA first introduced the Seamaster 300 in 1957 as a watch especially for divers. On this contemporary model, the legendary design has been transformed for luxury style.
The 41 mm case has been made from platinum-gold and features a blue ceramic bezel with a platinum Liquidmetal™ diving scale. Most captivating of all is the watch’s deep blue dial, which is made from the precious stone lapis lazuli. It includes 18K white gold hands that are filled with “vintage” Super-LumiNova.
Presented on a blue leather strap, the watch is driven by the OMEGA Master Chronometer Calibre 8913, certified at the industry's highest standard by the Swiss Federal Institute of Metrology (METAS).
The movement is unaffected by exposure to strong magnetic fields, even those greater than 1.5 tesla (15,000 gauss).
Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
Master Chronometer CertifiedGuaranteeing the Swiss industry’s highest standard of precision, performance and magnetic-resistance, as set by the Swiss Federal Institute of Metrology (METAS).
Self-locking crown, screwed into the tube of the case, used for highly water resistant divers' watches.
Transparent case backA transparent case back - frequently made of sapphire - makes it possible to see the movement inside the watch.
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: 21 mm
- Bracelet: leather strap
- Case: Platinum
- Case diameter: 41 mm
- Dial colour: Blue
- Crystal: Domed, scratch‑resistant sapphire crystal with anti‑reflective treatment inside
- Water resistance: 30 bar (300 metres / 1000 feet)
OMEGA is proud to include the Swiss Made mark on all of its watches. This simple wording guarantees a standard of quality that has been established over many centuries and is today a world-renowned symbol of excellence.
Every part of an OMEGA watch is made in Switzerland, which goes far beyond the industry’s required standard. This means that the manufacturing levels as well as the aesthetic and technical levels meet Switzerland’s highest demands.
On top of OMEGA’s own proven excellence, the Swiss Made mark provides customers with even more assurance and trust in the watch they wear on their wrist.
All OMEGA watches are delivered with a 5-year warranty that covers the repair of any material or manufacturing defects. Please refer to the operating instructions for specific information about the warranty conditions and restrictions.
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Free Delivery and Returns
Free UK Delivery
• Delivered in 2-5 working days (excludes weekend delivery).
• A signature will be required on delivery for all orders.
• Our UK delivery service is operated by DHL.
Free UK Returns
For more information please see our Delivery & Returns Policy.
Movement CALIBRE OMEGA 8913
Self-winding movement with Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free-sprung balance with silicon balance spring, two barrels mounted in series, automatic winding in both directions. Time zone function. Special luxury finish with 18K Sedna™ gold rotor and balance bridge with Geneva waves in arabesque.
- 60 hours Power reserve
- Self winding
Variations of Omega Co‑Axial Master Chronometer 41 mm
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