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 300M Black Aluminum / Orange 210.30.42.20.01.018 ( new / 2025 / box and papers )

Omega - 210.30.42.20.01.018 · $6,200

A brand new Omega Seamaster 300 with a 42mm stainless steel case, black aluminum dial and bezel with orange accents on a mesh bracelet.

Condition: Brand new
Case size: 42mm diameter
Movement: 8806 Master Co-Axial Movement

Posted at

May 5, 2026, 11:21 AM

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2025 Omega Seamaster Diver 300M 210.30.42.20.01.018 Full Set $6,250

Omega - 210.30.42.20.01.018 · $6,250

A modern dive watch featuring a clean black dial configuration and full stainless steel bracelet, powered by the Omega Co-Axial Master Chronometer Calibre 8800.

Condition: Mint (pre-owned, minimal to no wear)
Movement: Omega Calibre 8800 Master Chronometer
Case size: 42mm diameter
Case material: Stainless steel

Posted at

May 2, 2026, 6:13 PM

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Omega Seamaster Diver 300M – Electric Blue – Automatic 41mm – Solid Gold Bezel

Omega - 2455.80 · $4,250

This Omega Seamaster Diver 300M features an iconic two-tone design with a stainless steel case, raised yellow gold bezel, and electric blue dial. It has a water resistance of 300 meters and is powered by the Omega caliber 1120 automatic movement.

Condition: Excellent all around condition
Movement: Omega caliber 1120 automatic movement
Water resistance: 300 meters
Bracelet type: two tone bracelet

Posted at

May 11, 2026, 2:04 PM

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Omega Seamaster Diver 300M 210.30.42.20.03.001 42mm Blue Dial Box Papers 2022

Omega - 210.30.42.20.03.001 · $4,450

This Omega Seamaster Diver 300M features a polished blue ceramic dial, date window at 6 o'clock, and a 42mm stainless steel case. It is powered by the Calibre 8800, an automatic Co-Axial Master Chronometer with a 55-hour power reserve.

Condition: Excellent pre-owned condition with faint wear on the case and bracelet
Case size: 42mm
Diameter: 42mm
Water resistance depth rating: 300m

Posted at

May 11, 2026, 10:49 AM

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Omega Seamaster Diver 300M 210.22.42.20.03.001 Two-Tone Blue Dial 42mm Automatic Full Set

Omega - 210.22.42.20.03.001 · $5,999

This Omega Seamaster Diver 300M features a two-tone stainless steel and yellow gold case with a blue dial on a matching blue rubber strap, powered by an automatic movement.

Condition: Very good
Case size: 42mm diameter
Movement type: Automatic
Set included: Full set

Posted at

May 11, 2026, 8:22 AM

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Omega Seamaster Diver 300M 🚨STEAL🚨

Omega - Diver 300M · $3,400

Up for sale is my Omega Seamaster Diver 300M in the gray dial/blue bezel configuration, coming on a blue OEM rubber strap and including box, extra black rubber strap, certificate of authenticity, and insured shipping.

Condition: like new
Case condition: near-mint
Strap type: rubber
Additional straps: 1 black non-OEM, 1 blue OEM

Posted at

May 9, 2026, 2:01 PM

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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

This listing is for a 2024 Omega Seamaster Diver 300M Green Seaweed, featuring a **Reference**: 210.30.42.20.10.001 and a full set of contents including watch, inner & outer box, card holder, international warranty card, pictograms card, master chronometer card, and instructions manual.

Condition: Excellent condition with minimal signs of wear.
Year: 2024
Shipping: fully insured through Fedex

Posted at

May 9, 2026, 11:23 AM

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Omega Seamaster Diver 300M James Bond 60th Anniversary 210.30.42.20.03.002 $6,999

Omega - 210.30.42.20.03.002 · $6,999

A limited edition Omega Seamaster Diver 300M celebrating 60 years of James Bond on screen, featuring a reliable COSC and METAS certified Calibre 8806 movement with resistance to magnetic fields up to 15,000 gauss. The watch has a rhodium plated finish with Geneva waves in arabesque.

Condition: Preowned - Excellent
Movement type: Automatic
Water resistance: 300m

Posted at

May 9, 2026, 10:32 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! 🔥$6,250🔥 PRICED TO SELL!

OMEGA - 522.21.42.20.04.001 · $6,250

The Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case combining stainless steel and 18K Moonshine Gold.

Condition: UNWORN
Case size: 42mm
Movement: Calibre 8800 Master Chronometer
Bezel: laser-structured diving scale in positive relief

Posted at

May 8, 2026, 7:22 PM

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