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

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 · $7,299

The Omega Seamaster Diver 300M is a professional-grade tool watch featuring an iconic laser-engraved wave dial in deep blue and a high-resistance ceramic bezel with Sedna gold diving scale.

Condition: 10/10 Condition
Case size: 42mm diameter
Material: Stainless Steel & 18K Rose Gold
Movement: Calibre 8800 (METAS-certified)

Posted at

Apr 11, 2026, 10:22 AM

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OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

OMEGA - 522.21.42.20.04.001 · $7,900

The OMEGA Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case made of stainless steel and 18K Moonshine Gold. The watch has a white ceramic dial with polished waves and a laser-structured diving scale.

Condition: UNWORN
Case size: 42mm
Case material: stainless steel with 18K Moonshine Gold
Movement: Calibre 8800 Master Chronometer

Posted at

Apr 10, 2026, 9:07 PM

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Omega Seamaster Diver 300M Blue Grey Wave Dial Stainless Steel 42MM 210.30.42.20.06.001 Full Set

Omega - 210.30.42.20.06.001 · $4,575

A stainless steel Omega Seamaster Diver 300M with a blue grey wave dial and ceramic bezel, featuring laser-engraved waves and a date window at 6 o'clock.

Condition: pristine
Case material: stainless steel
Bezel material: blue ceramic
Diameter: 42mm

Posted at

Apr 10, 2026, 8:22 PM

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Omega Seamaster Diver 300M "Seaweed" Green Dial 42MM 210.32.42.20.10.001 Complete Set

Omega - 210.32.42.20.10.001 · $5,575

This Omega Seamaster Diver 300M features a robust stainless steel case, wave-patterned green dial, and ceramic bezel.

Case size: 42mm
Diameter: 42mm
Bezel material: ceramic

Posted at

Apr 10, 2026, 7:46 PM

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Omega Seamaster Diver 300M, black small wave dial 210.32.42.20.01.003

Omega - 210.32.42.20.01.003 · $5,000

A no date Omega Seamaster Diver 300M with a black small wave dial and domed sapphire crystal, featuring an aluminum insert.

Condition: LIKE NEW
Material: aluminum
Water resistance: 300m

Posted at

Apr 10, 2026, 12:59 PM

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2018 Omega Seamaster Diver 300m 41mm Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

Omega - 212.30.41.20.03.001 · $3,600

A 2018 Omega Seamaster Diver 300M with a classic blue 'no wave' dial, stainless steel case and bracelet, and an automatic self-winding movement.

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

Posted at

Apr 9, 2026, 5:41 PM

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2023 Omega Seamaster Diver 300M 43.5mm Ref. 210.62.44.20.01.001

Omega - 210.62.44.20.01.001 · $6,200

This Omega Seamaster Diver 300M features a solid 18K Sedna™ gold case, ceramic 'Summer Blue' dial with gradient finish and laser-engraved wave pattern, and a 55-hour power reserve.

Condition: Excellent
Case Size: 43.5mm
Bezel Material: 18K Sedna gold
Water Resistance: 300m (1000ft)

Posted at

Apr 9, 2026, 4:37 PM

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Omega Seamaster Diver 300m Black 210.32.42.20.01.003 2025

Omega - 210.32.42.20.01.003 · $4,995

For sale is a Omega Seamaster Diver 300m with black dial on rubber strap, delivered in pristine condition.

Condition: mint condition
Dial color: black
Strap material: rubber

Posted at

Apr 9, 2026, 1:06 PM

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Omega Seamaster Diver 300M Black Ceramic (210.92.44.20.01.003)

Omega - 210.92.44.20.01.003 · $6,500

This Omega Seamaster Diver 300M Black Ceramic watch features a 44mm size and is in excellent condition, complete with a triple boxed set and various documentation.

Condition: Excellent
Size: 44mm diameter
Depth rating: 30 bar (300m)
Movement: Master Chronometer

Posted at

Mar 26, 2025, 3:22 PM

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