Omega Seamaster Diver 300M Chronograph Black & Red 41.5mm

SKU: 6910111


The robust 41.5mm steel casing is beautifully crafted. The underside of the case features a screwed down cover providing a water resistance 300m while the helium release valve at 10 o’clock allows the release of pressure that builds up at great depths.

Mounted on top of the case is the unidirectional black ceramic bezel marked with a minute scale and domed sapphire crystal glass. This covers the deep onyx dial, which features various indexes, three sunken sub-dials, and red detailing. A date function is positioned at 6 o’clock, maintaining balance and symmetry.

This classic timepiece is powered by the fantastic Co-Axial Calibre 3300 and is fastened with a 5 link stainless steel bracelet and folding clasp.

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There are usually three standard size measurements; UK, US and European. You can find a conversion chart across all three measurements in our full guide.


The average size for a ladies bracelet is 20cm. Children's bracelets are usually 16cm. If the plan is to add charms then the bracelet should probably be one size up on your normal.

Read our full size guide.

Please read our Coronavirus update on our full delivery page.

Orders placed before 5pm, Sunday to Thursday, will be dispatched the following day*. Orders sent by Special Delivery should arrive the following day from dispatch**.

FREE delivery for all orders over £25, FREE Special Delivery for all orders over £100. All sent signed for through the Royal Mail.

We also offer a simple returns process.

Please see our full Delivery details and also check our Returns details.

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