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

BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,299

Omega - 210.30.42.20.04.001 · $5,299

This Omega Seamaster Diver 300M features a white ceramic dial, laser-engraved waves, and a date window at 6 o'clock. The watch includes a black ceramic bezel with a white enamel diving scale and is powered by the OMEGA Master Chronometer Calibre 8800.

Condition: Brand new in box with no issues
Case diameter: 42mm
Lug width: 20mm
Water resistance: 300m

Posted at

Apr 26, 2026, 12:47 PM

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Omega Seamaster Diver 300M Green – Ref. 210.30.42.20.10.001 - $4700 plus label

Omega - 210.30.42.20.10.001 · $4,700

This Omega Seamaster Diver 300M Green features a pre-owned condition with most wear on the bracelet, light wear on the case sides and polished areas.

Condition: Pre-owned, light wear on bracelet and case sides
Bracelet condition: light wear
Case condition: light wear

Posted at

Apr 25, 2026, 9:43 PM

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Omega Seamaster Diver 300M – Automatic 41mm – Steel & Yellow Gold

Omega - 2455.8 · $4,250

This Omega Seamaster Diver 300M features a stainless steel and yellow gold two-tone design, with an electric blue wave dial and solid gold bezel. The watch has 300 meters of water resistance and comes with three cards.

Condition: Excellent all around condition
Movement: Omega caliber 1120 automatic movement
Water resistance: 300m depth rating
Case size: 41mm diameter

Posted at

Apr 25, 2026, 3:09 PM

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2018 Omega Seamaster Diver 300m Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

Omega - 212.30.41.20.03.001 · $3,600

The Omega Seamaster Diver 300M features a clean, glossy blue dial and a stainless steel case that wears comfortably. It's an easy-to-wear diver with everyday use and real-world durability.

Condition: Excellent
Case diameter: 41mm
Crystal material: Sapphire
Bracelet material: Stainless Steel

Posted at

Apr 25, 2026, 2:43 PM

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Omega Seamaster Diver 300M, 210.32.42.20.01.003

Omega - 210.32.42.20.01.003 · $5,000

For sale is my Omega Seamaster Diver 300, black small wave dial, featuring a domed sapphire crystal and an aluminum insert.

Condition: LIKE NEW
Case size: 42mm diameter
Water resistance: 300m depth rating
Box and papers: yes

Posted at

Apr 25, 2026, 1:31 PM

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Omega Seamaster Diver 300M "Sedna Gold & Blue" | 18K Rose Gold Ref. 210.22.42.20.03.002 | 42mm | Stainless Steel & Gold | Full Set | 2023

Omega - 210.22.42.20.03.002 · $6,350

The Omega Seamaster Diver 300M 'Sedna Gold & Blue' is a luxury watch that blends professional-grade tool watch heritage with the luxury of 18K Sedna gold, featuring an iconic laser-engraved wave dial in deep blue. It's driven by the METAS-certified Calibre 8800, offering high industry standards of precision and magnetic resistance.

Condition: 10/10 Condition, visually pristine with no visible marks on the case, bezel, or crystal
Case material: 42mm 18K Rose Gold case with Stainless Steel & Gold accents
Movement: METAS-certified Calibre 8800
Box condition: showing signs of wear/age

Posted at

Apr 25, 2026, 11:14 AM

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2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

Omega - 210.30.42.20.10.001 · $5,395

2024 Omega Seamaster Diver 300M with a green seaweed dial, available as a full set.

Year: 2024

Posted at

Apr 25, 2026, 10:10 AM

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OMEGA Seamaster Diver 300M 210.32.42.20.03.001 Blue Wave Dial Full Set

OMEGA - 210.32.42.20.03.001 · $4,299

This OMEGA Seamaster Diver 300M features a 42mm stainless steel case, blue ceramic wave dial, and matching blue bezel. Powered by Omega’s Co-Axial Master Chronometer caliber 8800, it offers everyday wearability and technical performance.

Condition: Excellent pre-owned condition
Case size: 42mm diameter
Movement: Co-Axial Master Chronometer caliber 8800

Posted at

Apr 24, 2026, 8:25 PM

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