Omega · Aug 14, 2026

Taking the Omega Seamaster Diver 300M Nekton Edition From Dive Watch to City Watch

The Omega Seamaster Diver 300M Nekton Edition is an unusual Seamaster to build a strap around.

At first glance, it seems simple: stainless-steel case, black dial, silver-tone bezel. Almost anything neutral should work. But the details make the Nekton considerably more particular than a regular black-dial Diver 300M.

Its matte black ceramic dial carries polished waves in relief, the bezel is laser-ablated Grade 5 titanium rather than the conventional glossy ceramic treatment, there is no date window, and a vivid red central seconds hand supplies almost the only strong color accent. The result is a Seamaster that feels more technical, monochromatic and instrument-like than many of its siblings.

Omega Seamaster Diver 300M Nekton Edition: Specifications That Matter for Strap Buyers

The Nekton Edition was introduced in 2020 and was offered both on the familiar steel bracelet and on Omega's fitted black rubber strap. The relevant references are 210.30.42.20.01.002 for the bracelet configuration and 210.32.42.20.01.002 for the rubber-strap configuration.

Case diameter: 42mm
Lug width: 20mm
Case: Stainless steel
Bezel: Grade 5 titanium, laser-ablated diving scale
Dial: Matte black ceramic with polished wave relief
Movement: Omega Co-Axial Master Chronometer Calibre 8806
Original strap options: Stainless-steel bracelet / fitted black rubber
Strap width required: 20mm at the lugs

What Kind of Strap Actually Suits the Nekton?

Best Overall Pairing: Canvas Black

Of all the combinations shown, Canvas Black is perhaps the most natural extension of the Nekton's original personality.

Choose Canvas Black if:
You like the Nekton because it is the more utilitarian, less glossy Seamaster.
It works particularly well for casual wear, travel, denim, technical outerwear and weekend use.

Best Luxury Pairing: Croco

Croco Charcoal

This is particularly effective if you want to wear the Nekton with tailoring, knitwear, monochrome business-casual clothing or darker evening outfits without making it look like an entirely different watch.

Croco Ice Grey

Where charcoal makes the Nekton darker, Ice Grey pulls the watch toward its titanium bezel.

It is one of the better options for someone who already owns the factory black rubber and wants a second strap that genuinely changes the watch rather than merely replacing one black material with another.

The Understated Alternative: Dappled Black

Dappled Black occupies an interesting position between conventional leather and a more technical material.

From a distance, it preserves the all-black appearance of the original rubber strap. Up close, however, the leather grain gives the watch considerably more texture.

Denim Hurricane Grey: The Casual Modern Pairing

The Nekton's titanium bezel is the key to making Hurricane Grey denim work.

This would be one of our first recommendations for an owner looking specifically for a casual alternative to rubber.

Deutron Red: Use the Seconds Hand as Your Cue

If you want the most overtly sporty combination in this guide, this is it.

The Deutron pairing shown here keeps the main strap black while placing red along the edges. Consequently, the strap doesn't turn the watch into a black-and-red novelty piece. Instead, the red detail visually travels from the central seconds hand outward toward the strap.

Epi Black: Minimalism Through Texture

Black-on-black keeps the watch cohesive while the texture stops the combination from becoming flat.

For buyers who want an understated black leather strap, Epi Black is arguably more interesting than a completely smooth black calf strap.

Elephant Anthracite: Texture Meets Titanium

Visually, Anthracite is almost tailor-made for the Nekton palette.

The grey-black tone occupies the space between its black dial and titanium bezel, while the pronounced texture adds considerable depth.

Purely from a color and texture standpoint, though, anthracite is exceptionally convincing.

Ostrich Leg Asphalt Grey: The Collector's Pairing

Ostrich leg changes the personality considerably.
Its irregular scale structure introduces organic texture to a watch dominated by industrial materials and precision-machined geometry.

Cordovan Bordeaux: The Warm Contrast

Choose this combination because you want contrast, not because you are looking for the most natural OEM-like pairing.

Saffiano Dark Brown: Turning the Diver Into a City Watch

If your Nekton spends considerably more time in restaurants and offices than near salt water, this pairing makes sense.

Chèvre Off White: The Statement Option

Off White produces perhaps the greatest transformation of all the combinations shown.

It is a second or third strap for an owner who wants the ability to completely change the personality of the watch—particularly for summer or resort-oriented styling.

A Note About Water Resistance and Leather Straps

The watch may be rated to 300 metres, but that does not automatically mean every strap attached to it should be submerged.

Omega designed the Diver 300M as a genuine dive-capable watch, and the Nekton retains its 300m water resistance.

Leather and exotic-material straps should nevertheless be treated according to the properties of the strap itself.

If you're actually swimming or diving, use an appropriately water-resistant strap such as the factory rubber or another strap specifically designed and confirmed for prolonged water exposure.

Think of leather as a way to expand the Nekton's life away from the water, rather than as a replacement for purpose-built dive equipment.

FAQ: Omega Seamaster Diver 300M Nekton Edition Straps

Q: What size strap fits the Omega Seamaster Diver 300M Nekton Edition?
A: The 42mm Omega Seamaster Diver 300M Nekton Edition uses a 20mm lug width.

When ordering, select the configuration specifically intended for the 42mm Seamaster Diver 300M / 20mm lug width.

Q: What is the best overall strap for the Nekton?
A: For the closest match to its original tool-watch character, we recommend Canvas Black. For a more luxurious appearance, choose Croco Charcoal.

Q: Should I choose curved end or straight end?
A: Choose curved end for a more integrated, OEM-inspired appearance. Choose straight end for a more traditional leather-strap look.

Q: Can I use an Omega deployment clasp?
A: Yes, provided the strap is made with the correct buckle-end dimensions, thickness, and construction for the clasp. Liger has existing Seamaster Diver 300M configurations designed around Omega deployment buckles.

Q: Can I use leather on a 300m dive watch?
A: Yes for everyday wear, but the watch's 300m water-resistance rating does not automatically make a leather strap suitable for swimming or diving.

Use an appropriate water-resistant strap for prolonged water exposure.

Q: Should I add quick release?
A: If you intend to rotate straps regularly, yes.

The Nekton works with a wide range of materials, so quick release makes it much easier to change its appearance according to your wardrobe or occasion.

Footer disclaimer :

Liger Straps is an independent strap maker and is not affiliated with Omega SA. All watch names and trademarks are the property of their respective owners and are used for descriptive and compatibility purposes only.