OMEGA Seamaster Diver 300m Co-Axial Master Chronometer 42mm O21030422001001

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. This 42 mm model is crafted from stainless steel and includes a black ceramic bezel with a white enamel diving scale.

The dial is also polished black ceramic and features laser-engraved waves and a date window at 6 o’clock. The skeleton hands and raised indexes are rhodium-plated and are filled with white Super-LumiNova, while the helium escape valve has been given a conical design. The watch is presented on a stainless steel bracelet and is driven by the OMEGA Master Chronometer Calibre 8800, which can be seen through the sapphire-crystal on the wave-edged caseback.

STAINLESS STEEL

Stainless steel is certainly the most conventional of watchmaking materials for outer craftsmanship, and offers beauty, strength and affordability. OMEGA uses 316L stainless steel. Known for its corrosion-resistance and high lustre after polishing, this material is often the ideal choice for watches in both daily-use and high-stress situations such as diving and adventure.

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.

WATCH SIZING: 
If you know your wrist size and would like your new watch to be adjusted to fit prior to delivery, please contact our friendly Customer Service team who will be happy to arrange this for you.
If you receive your watch and it requires adjustment, simply pop into any of our showrooms with your watch along with proof of purchase and one of our sales associates will be able to do this free of charge for you while you wait.

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OMEGA: Master Chronometer

Bringing together luxurious design and ground-breaking functionality, OMEGA have earned a reputation for producing world class timepieces that never fail to make a lasting impression.

In 1848, when Louis Brandt sat down to create the company’s very first watches, his ambition was to produce the most accurate movements possible. For OMEGA, precision is still the truest mark of mechanical watchmaking quality. For someone investing in a watch, those few extra seconds are a testament to superior craftsmanship, a determination for perfection, more technical investment, more research, more development and an infinite passion for achieving better innovation.

Since 2015, OMEGA’s Master Chronometer testing for each individual timepiece has provided customers with total transparency and a proven precision and performance they can trust.

At Michael Jones Jeweller, we believe that shopping online should be just as convenient as shopping in one of our stores. View Delivery Information

• Free UK Special Delivery for all orders over £100.
• Click and Collect available
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We’re sure that you’ll love your new item, but on the rare occasion that it isn’t 100% right just send it back within 30days* and we’ll be more than happy to give you a full refund or an exchange.

*to allow for Christmas gifting, we have extended the returns window to the 31st January for items purchased between 1st November and 24th December.

For Pre-Owned watches and items purchased under a credit agreement, we will be happy to refund or exchange your item providing it is returned to us within 14 days of purchase. View Returns Information