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

Reference 210.20.42.20.03.001

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

[WTS] Omega Seamaster Diver 300M 007 NTTD

Omega Seamaster Diver 300M 007 NTTD

Selling my Omega Seamaster NTTD edition ref. 210.90.42.20.01.001, a full kit with the Omega/007 branded canvas and leather watch roll, hang tag, all cards and boxes.

  • Condition: Excellent with minor scratches
  • Water Resistance: 300m
  • Case Dimensions: 42mm diameter
Posted at
Feb 5, 2026, 9:53 AM
Active
[WTS] Omega Seamaster Diver 300m Bronze Gold on Titanium 2024 Complete Set

Omega Seamaster Diver 300m Bronze Gold on Titanium 2024 Complete Set

A modern execution of Omega’s iconic professional dive watch, the Seamaster Diver 300M reflects the brand’s focus on technical performance and refined design. Housed in a 42mm grade 2 titanium case with 9K Bronze Gold, this reference features a distinctive green dial with matching bezel, delivering a contemporary yet unmistakable Seamaster aesthetic built for both daily wear and serious dive capability.

  • Condition: Excellent Condition with little to no signs of wear at all
  • Case material: grade 2 titanium
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
Posted at
Feb 4, 2026, 2:53 PM
Active
[WTS] Omega Seamaster Diver 300m 2025 Unworn- Complete Set

Omega Seamaster Diver 300m 2025 Unworn- Complete Set

The Omega Seamaster Diver 300M is a modern execution of the iconic professional dive watch, featuring a refreshed design with a 42mm stainless steel case and black dial.

  • Condition: Unworn
  • Movement: Omega Co-Axial Master Chronometer automatic movement
  • Water resistance: 300 meters
  • Case size: 42mm
Posted at
Feb 4, 2026, 2:42 PM
Active
[WTS] 🌊 Omega Seamaster Diver 300M Blue🌊

🌊 Omega Seamaster Diver 300M Blue🌊

Additional Details:

Posted at
Feb 3, 2026, 9:46 PM
Active
[WTS] Omega Seamaster Diver 300M 42mm 210.32.42.20.03.001 Full Set Mint

Omega Seamaster Diver 300M 42mm 210.32.42.20.03.001 Full Set Mint

A modern, high-performance dive watch with iconic Seamaster styling featuring a blue wave dial and ceramic bezel.

  • Condition: Mint
  • Case size: 42mm
  • Dial color: blue
  • Bezel material: ceramic
Posted at
Feb 3, 2026, 12:58 PM
Active
[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$8,100🔥

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$8,100🔥

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. It has a white ceramic dial with polished waves and a custom 'Paris 2024' typography on the date disc.

  • Condition: UNWORN
  • Case material: stainless steel and 18K Moonshine Gold
  • Diameter: 42mm
  • Water resistance: 300m
Posted at
Feb 1, 2026, 1:44 PM
Active
[WTS] 2024 Omega Seamaster Diver 300M 42MM Blue Dial Rubber Strap 210.32.42.20.03.001 - $4,300

2024 Omega Seamaster Diver 300M 42MM Blue Dial Rubber Strap 210.32.42.20.03.001 - $4,300

This 2024 Omega Seamaster Diver 300M features a blue dial and is equipped with a rubber strap.

  • Condition: Excellent
  • Case Size: 42mm diameter
  • Shipping Methods: FedEx Overnight
Posted at
Jan 31, 2026, 8:33 PM
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[WTS] Omega Seamaster Diver 300M 210.32.42.20.03.001 - Box Papers 2023

Omega Seamaster Diver 300M 210.32.42.20.03.001 - Box Papers 2023

This Omega Seamaster Diver 300M is a well-maintained timepiece with original box and papers, and has been worn only about 8 times. It features a clean crystal, like-new bezel, and very clean case.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Lug-to-lug: <48mm
  • Warranty card date: 2023
Posted at
Jan 30, 2026, 5:21 PM
Active