Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Black / Bracelet

Reference 210.30.42.20.01.001

Omega Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Black / Bracelet

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of watchmaking, blending luxury and functionality in a stunning package. Crafted from premium materials, this timepiece boasts exceptional build quality, Master Chronometer certification for accuracy, and an impressive water resistance of 300 meters. Its versatile design seamlessly transitions from casual to formal wear, while the comfortable fit with an adjustable bracelet ensures all-day wearability. This watch is not just a statement piece; it's a testament to Omega's commitment to excellence.

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MSRP: $5,900

Market Price: $4,102

Key Features

42mm round case made from stainless steel
Black ceramic bezel with 0-60 scale
Sapphire crystal glass for added protection
Master Chronometer certification for accuracy and performance
Water resistance of 300 meters (1,000 feet)
Self-winding movement powered by Omega caliber 8800
Co-Axial escapement with reduced friction and increased accuracy

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Black / Bracelet

Reference

210.30.42.20.01.001

Movement

8800

Movement Features

Hours, Minutes, Seconds
Date
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 · $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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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

A luxurious tribute to sporting excellence, combining stainless steel with OMEGA's exclusive 18K Moonshine Gold.

Condition: UNWORN
Case size: 42mm
Water resistance: 300m
Movement: Calibre 8800 Master Chronometer

Posted at

Apr 24, 2026, 6:11 PM

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2024 Omega Seamaster Diver 300M White Wave Dial 210.32.42.20.04.001 Full Set $4,000

Omega - 210.32.42.20.04.001 · $4,000

A modern Omega Seamaster Diver 300M with a distinctive ceramic wave dial and strong everyday versatility, known for its clean, high-contrast white dial paired with black accents.

Condition: Great (pre-owned)
Movement: Automatic (Omega Calibre 8800 Master Chronometer)
Case size: 42mm
Case material: Stainless steel

Posted at

Apr 24, 2026, 1:13 PM

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OMEGA Seamaster Diver 300M Master Chronometer Steel/Gold 210.20.44.51.03.001

OMEGA - 210.20.44.51.03.001 · $9,450

The Omega Seamaster is a great watch to begin with, featuring a chronograph and blue dial in a two-tone case and bracelet.

Case material: steel/gold
Bracelet: two-tone
Dial color: blue

Posted at

Apr 24, 2026, 8:36 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 in Green Seaweed, a collection of the latest dive watch from Omega.

Color: Green Seaweed

Posted at

Apr 23, 2026, 3:26 PM

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Omega Seamaster Diver 300M 41mm 212.30.41.20.03.001 | 2018 Box and Papers

Omega - 212.30.41.20.03.001 · $3,550

This Omega Seamaster Diver 300M is a 2018 model with its original box and papers, featuring an excellent pre-owned condition.

Condition: Excellent Pre-Owned
Contents: 11.5 links, 2018 warranty card, box, new style box and manual set, no serial tag
Links: 11.5

Posted at

Apr 23, 2026, 12:22 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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