Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Yellow Gold / Blue / Bracelet

Reference 210.20.42.20.03.001

Omega Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Yellow Gold / Blue / Bracelet

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of luxury watchmaking, blending precision with elegance. This stunning timepiece is not just a statement; it's a piece of art and a marvel of engineering. With its captivating blue dial, sunburst finish, and classic yet sporty aesthetic, this watch is sure to cast a spell on anyone who gazes at it. The round stainless steel case feels substantial without being overwhelming, while the rotating bezel, designed for divers, features a 0-60 scale crafted from blue ceramic. The open case back allows you to admire the intricate workings of the Omega caliber 8800 movement, a self-winding masterpiece that exemplifies precision and reliability. With its Co-Axial escapement resistant to magnetic fields up to 15,000 gauss, this watch is like having a personal bodyguard for your timekeeping needs. The Seamaster Diver 300M has undergone rigorous testing in accordance with the Master Chronometer certification process approved by METAS, meeting the highest standards of precision, performance, and magnetic resistance. Whether you're snorkeling in the Caribbean or exploring the depths of the Pacific, this watch is your loyal companion, built for serious divers and ocean enthusiasts.

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MSRP: $12,700

Market Price: $7,154

Key Features

Omega caliber 8800 movement with Co-Axial escapement
Water Resistance up to 300 meters
Scratch-resistant sapphire glass
Rotating bezel with blue ceramic
Stainless Steel / Yellow Gold / Blue Ceramic construction

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Yellow Gold / Blue / Bracelet

Reference

210.20.42.20.03.001

Movement

8800

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

42mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

Omega Seamaster Diver 300M 42mm Grey Dial 210.30.42.20.06.001 | Full Set

Omega - 210.30.42.20.06.001 · $4,100

This Omega Seamaster Diver 300M is a 42mm grey dial watch with excellent timekeeping and flawless bezel and crystal.

Condition: Outstanding condition, minor wear marks on bracelet
Movement: Omega 8800
Bracelet size range: up to approximately 8.25 inches
Movement accuracy: -1 second per day

Posted at

Jan 21, 2026, 11:13 PM

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OMEGA SEAMASTER DIVER 300M GREEN 'SEAWEED' - 210.32.42.20.10.001 - VERY GOOD - BOX/PAPERS - XTRA NEW AM FORSTNER BRACELET

OMEGA - 210.32.42.20.10.001 · $4,621

A modern dive icon featuring a rich green ceramic dial and bezel, laser-engraved wave pattern, and OMEGA's legendary Co-Axial performance.

Condition: Very Good
Case size: 42mm diameter
Dial color: green
Bezel material: green ceramic

Posted at

Jan 18, 2026, 2:15 PM

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OMEGA Seamaster Diver 300m - 42mm - Black Dial - Ref 210.32.42.20.01.001 - Full Set

OMEGA - 210.32.42.20.01.001 · $4,400

This OMEGA Seamaster Diver 300m is a 42mm black dial watch featuring a domed scratch-resistant sapphire crystal and a self-winding movement with a power reserve of 55 hours. The watch has been worn daily for an engineering desk job.

Condition: Minor scratches from day-to-day movements, otherwise like new
Case Diameter: 42 mm
Thickness: 13.56 mm
Water Resistance: 300m / 1000 feet

Posted at

Jan 18, 2026, 12:44 PM

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OMEGA Seamaster Diver 300M 36MM - 212.30.36.20.01.002

OMEGA - 212.30.36.20.01.002 · $2,750

This 36mm OMEGA Seamaster Diver 300M is in excellent used condition with minor signs of wear.

Condition: excellent used condition with minor signs of wear
Case size: 36mm
Water resistance: 300m

Posted at

Jan 17, 2026, 7:44 PM

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Omega Seamaster Diver 300m 44mm 210.60.44.51.03.001 Blue Dial Titanium 18k Rose Gold MINT CONDITION

Omega - 210.60.44.51.03.001 · $14,250

The Omega Seamaster Diver 300m Chronograph features a laser-ablated 18k rose gold bezel paired with a high polish blue ceramic dial and chronograph complications. It has 300 meters of water resistance and is powered by Omegas Co-Axial Master Chronometer Calibre 9900.

Condition: Amazing Pre-Owned condition, showing no sings of wear, clean crystal and case.
Case size: 44mm
Movement type: Automatic (Self Winding)
Power reserve: 72hrs

Posted at

Jan 17, 2026, 3:03 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! 🔥$8250🔥

OMEGA - 522.21.42.20.04.001 · $8,250

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

Condition: UNWORN
Case size: 42mm diameter
Movement: Calibre 8800 Master Chronometer
Depth rating: 300m

Posted at

Jan 16, 2026, 5:46 PM

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