Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 No-Date Stainless Steel / Black - Orange / Mesh

Reference 210.30.42.20.01.018

Omega Seamaster Diver 300M Master Co-Axial 42 No-Date Stainless Steel / Black - Orange / Mesh

About this watch

The OMEGA Seamaster Diver 300M 210.30.42.20.01.018 debuted in 2025. This model is part of the updated Diver 300M generation, featuring a black aluminium dial with orange accents, including the central seconds hand, quarter-hour indexes, and Seamaster logo. The oxalic anodised aluminium bezel ring includes a diving scale in white Super-LumiNova, complementing the dial’s rhodium-plated skeletonised hands and indexes, also filled with white Super-LumiNova. The 42 mm stainless steel case is equipped with a domed sapphire crystal, helium escape valve at 10 o’clock, and transparent case back. It houses the Co-Axial Master Chronometer calibre 8806, certified by METAS for precision, magnetic resistance, and overall performance. This version is fitted with a stainless steel mesh bracelet and folding clasp. A second version with orange rubber strap is also available.

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Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

Seamaster Diver 300M Master Co-Axial 42 No-Date Stainless Steel / Black - Orange / Mesh

Reference

210.30.42.20.01.018

Movement

8806

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

2023 Omega Seamaster Diver 300M "Seaweed" 42mm Green Dial 210.32.42.20.10.001 Full Set

Omega - 210.32.42.20.01.001 · $4,600

2023 Omega Seamaster Diver 300M 'Seaweed' model featuring a 42mm stainless steel case with green ceramic dial and rotating dive bezel.

Condition: Very nice preowned condition with some light scratches on the case and buckle
Case material: Stainless Steel
Case dimensions: 42mm diameter
Bezel material: Stainless Steel

Posted at

Dec 9, 2025, 8:07 PM

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Omega Seamaster Diver 300m Black Dial with box and papers

Omega - 210.32.42.20.01.001 · $4,400

This Omega Seamaster Diver 300m features a stainless steel case, black ceramic dial, and a black rubber strap. It is powered by an in-house movement that runs flawlessly.

Condition: Excellent
Case Size: 42mm diameter
Water Resistance: 300m depth rating
Box And Papers: yes

Posted at

Dec 9, 2025, 7:34 PM

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Omega Seamaster Diver 300M 18K Yellow Gold & Steel

Omega - Seamaster Diver 300M · $7,000

This is one of the best Omega watches produced, a beautifully maintained blue-dial Seamaster in great overall condition.

Condition: Fantastic overall condition, light wear marks
Warranty: Omega warranty included
Box: Original Omega wooden presentation box included
Bracelet Links: All original bracelet links (including extras) included

Posted at

Dec 9, 2025, 3:13 PM

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Omega Seamaster Diver 300M 210.30.42.20.03.001 – 2024 – Full Set – Like New – Blue Wave Dial - $4899 Shipped

Omega - 210.30.42.20.03.001 · $4,899

2024 Omega Seamaster Diver 300M in like new condition with a blue ceramic wave dial and 55-hour power reserve.

Condition: Like new
Case size: 42mm
Water resistance: 300m
Movement type: Automatic

Posted at

Dec 9, 2025, 12:22 AM

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Omega Seamaster Diver 300m White Dial AKA "Polar" - $4,350 - Pre-Owned Great Condition w/ Triple Box & Papers

Omega - Diver 300m · $4,350

A diver's watch featuring a white dial.

Condition: Pre-Owned Great Condition
Box: triple box
Papers: yes, with papers

Posted at

Dec 8, 2025, 10:18 AM

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Omega Seamaster Diver 300M Automatic 41mm 'Peter Blake' - 2254.50

Omega - 2254.50 · $2,850

A black Omega Seamaster Diver 300M Automatic 41mm watch, famously worn by Sir Peter Blake, in very good condition.

Condition: Very good
Case size: 41mm
Movement: Omega 1120 automatic

Posted at

Dec 7, 2025, 4:36 PM

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Omega Seamaster Diver 300M – “Summer Blue” – Full Set(Bracelet + Omega Deployant) - 210.30.42.20.03.003

Omega - 210.30.42.20.03.003 · $5,700

This Omega Seamaster Diver 300M features a unique 'Summer Blue' colorway with a deeper gradient dial, matching blue ceramic bezel and Super-LumiNova. It retains the classic 300M case design and is powered by the Co-Axial Master Chronometer Calibre 8800.

Condition: Very good, used
Case size: 42mm
Movement: Co-Axial Master Chronometer Calibre 8800

Posted at

Dec 7, 2025, 2:05 PM

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Omega Seamaster Diver 300M Blue - 2025 - Unworn

Omega - 210.30.42.20.03.001 · $4,400

This Omega Seamaster Diver 300M features a deep blue ceramic dial with laser-engraved waves, a stainless steel case and a blue ceramic bezel with white enamel diving scale.

Condition: Unworn
Case size: 42mm diameter
Water resistance: 300m depth rating

Posted at

Dec 6, 2025, 1:00 PM

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