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Diver 300M Co‑Axial Master Chronometer 43.5 mm

Black ceramic on Rubber strap

210.92.44.20.01.001

$8,400.00

Free shipping and returns

Description

Since 1993, the Seamaster Professional Diver 300M has enjoyed a legendary following. Today’s modern collection has embraced that famous ocean heritage and updated it with OMEGA’s best innovation and design.

The case of this 43.5 mm model is crafted from black ceramic and grade 5 titanium and includes a black ceramic bezel with a white enamel diving scale. The dial is also brushed black ceramic [ZrO2] and features laser-engraving to create raised waves.

The skeleton hands and raised indexes in PVD titanium are filled with white Super-LumiNova, while the helium escape valve has been given a conical design.

The watch is presented on an integrated black rubber strap with a polished-brushed black ceramic [ZrO2] buckle, and is driven by the OMEGA Master Chronometer Calibre 8806, which can be seen through the sapphire-crystal on the wave-edged caseback.

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Features

  • Anti‑magnetic

  • Chronometer

  • Helium escape valve

  • Master Chronometer Certified

  • Screw‑in crown

  • Transparent case back

  • Unidirectional rotating bezel

Case

  • Total product weight (approx.): 108 g
  • Between lugs: 21 mm
  • Lug‑to‑lug: 51.5 mm
  • Thickness: 14.3 mm
  • Case: Black ceramic
  • Case diameter: 43.5 mm
  • Water resistance: 30 bar (300 metres / 1000 feet)

Dial and Crystal

  • Dial color: Black
  • Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides

Strap

  • Strap type: Rubber strap
  • Strap color: Black
  • Strap surface: Rubber
  • Strap underside: Rubber
  • Buckle type: Pin buckle
  • Buckle material: Ceramic

The advantages
of this watch

Behind the elegance of every Master Chronometer timepiece is the highest level of testing: 8 tests over 10 days, to ensure superior precision and anti‑magnetic resistance. We’ve raised our standards. You can too.

Key materials

  • Material - Grade 5 Titanium

    Grade 5 Titanium

  • Material - Ceramic

    Ceramic

  • Material - Sapphire Crystal

    Sapphire Crystal

Grade 5 Titanium

Titanium alloys are light, corrosion-resistant, biochemically inert and able to withstand extreme temperatures. These properties make them particularly appropriate for products in the aircraft, spacecraft and medical sectors. They achieve the perfect balance between solidity, corrosion-resistance and workability. Grade 5 titanium offers a bright grey colour that is close to that of stainless steel, and suits both "brushed" and "polished" finishing.

Ceramic

OMEGA has unrivalled expertise in the use of ceramics, dating back more than 10 years. Taking its origin from the Greek word "keramos", ceramic is an inorganic, non-metallic substance obtained by firing at high temperatures. It allows the creation of completely dense watch parts with exceptional mechanical properties. Ceramic is one of the most popular choices for customers when selecting their timepiece, thanks to its appealing colour range and specific properties, such as it being two times lighter than stainless steel, hardwearing, highly scratch-resistant, chemically inert, hypoallergenic, environmentally friendly and non-magnetic.

Sapphire Crystal

To really appreciate the finer details of a timepiece, OMEGA uses synthetic sapphire crystal with a highly scratch-resistant and anti-reflective treatment. Before the machining and finishing processes take place, the sapphire crystals are produced under the Verneuil process, also called flame fusion. It involves the melting of the raw substance using oxyhydrogen flame and the crystallisation of the melted droplets to form a cylinder. Graded 9 on the Mohs-hardness scale (graded 1-10), the resulting sapphire crystals are virtually scratch-proof and very hard, ensuring an unhindered vision at all times.

A new look for your watch

Your watch and strap should go together perfectly, but that doesn't mean you can't experiment with different combinations. Why not mix things up and see what happens? You may discover a look that's as individual as you are.

Movement CALIBRE OMEGA 8806

Calibre 8806

Self-winding movement with a Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free sprung-balance with silicon balance spring, automatic winding in both directions. Special luxury finish with rhodium-plated rotor and bridges with Geneva waves in arabesque.

  • 55 hours Power reserve
  • Self winding
  • Frequency 3,5 Hz
Calibre 8806

Diver 300M - Main Collection

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Variations Diver 300 M Co‑Axial Master Chronometer 43.5 mm

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