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

[WTS] 🏒🥅🚨 2025 Omega Seamaster Diver 300M Co-Axial Master Chronometer — Matte Black No-Date Dial, Orange Accents, Steel Mesh Bracelet — Full Set — Ref. 210.30.42.20.01.018

🏒🥅🚨 2025 Omega Seamaster Diver 300M Co-Axial Master Chronometer — Matte Black No-Date Dial, Orange Accents, Steel Mesh Bracelet — Full Set — Ref. 210.30.42.20.01.018

Omega - 210.30.42.20.01.018 · $6,650

The 2025 Omega Seamaster Diver 300M takes the classic 300M formula and gives it a stealthy, modern twist with a matte black no-date dial, crisp orange accents, and a brushed steel mesh bracelet.

Condition: Very good condition
Case size: 42mm
Water resistance: 300m
Movement certification: METAS-certified Master Chronometer performance

Posted at

Apr 21, 2026, 10:25 PM

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Omega Seamaster Diver 300M 210.30.42.20.04.001 – Full Set

Omega - 210.30.42.20.04.001 · $4,650

This Omega Seamaster Diver 300M features a steel case, black ceramic bezel with white enamel diving scale, and a polished white ceramic laser-engraved wave dial. It has a Caliber 8800 Master Chronometer movement, helium escape valve, and 300m water resistance.

Condition: Good, with light wear from normal use
Case size: 42mm diameter
Water resistance: 300m depth rating
Movement: Caliber 8800 Master Chronometer

Posted at

Apr 22, 2026, 11:32 AM

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[WTS] 🏒🥅🚨 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer — Unworn, Brushed Grey Wave Dial, Titanium Bezel, Grey Rubber Strap — Ref. 210.32.42.20.06.002

🏒🥅🚨 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer — Unworn, Brushed Grey Wave Dial, Titanium Bezel, Grey Rubber Strap — Ref. 210.32.42.20.06.002

Omega - 210.32.42.20.06.002 · $6,250

A stealthy, technical take on the classic Diver 300M line with a brushed grey dial and titanium bezel, featuring Master Chronometer performance and 300m water resistance.

Condition: Unworn
Case size: 42mm
Water resistance: 300m
Bezel material: Grade 5 titanium

Posted at

Apr 21, 2026, 10:42 PM

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Omega Seamaster Diver 300M Titanium Bronze Gold Green Dial | Ref. 210.90.42.20.10.001 | Full Set | $9,850

Omega - 210.90.42.20.10.001 · $9,850

The Omega Seamaster Diver 300M in Grade 2 Titanium and exclusive OMEGA Bronze Gold is a visually striking configuration with a unique combination of a deep sandblasted green dial against warm Bronze Gold accents. This watch is exceptionally lightweight and delivers a rich, warm-toned aesthetic. It comes with an extra rubber strap for a sportier, lighter wear option.

Condition: Pre-owned, excellent condition, minimal wear, green dial and bezel pristine
Case Size: 42mm diameter
Bracelet Type: Original titanium brushed Milanese mesh bracelet
Water Resistance: 300m / 984ft

Posted at

Apr 21, 2026, 10:37 PM

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🏒🥅🚨 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer — Unworn, White Wave Dial, Ceramic Bezel — Full Set — Ref. 210.30.42.20.04.001

Omega - 210.30.42.20.04.001 · $6,150

The 2026 Omega Seamaster Diver 300M in white dial configuration delivers the modern Bond-era Seamaster design with a fresh, high-contrast look that wears brilliantly in any light. The 42 mm stainless steel case and laser-engraved white wave dial create a sharp, contemporary diver aesthetic.

Condition: Unworn
Case size: 42 mm
Movement: Master Chronometer movement
Bezel material: Ceramic

Posted at

Apr 21, 2026, 10:33 PM

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