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

[WTS] Omega Seamaster Diver 300M Green – Ref. 210.30.42.20.10.001 - $4700 plus label

Omega Seamaster Diver 300M Green – Ref. 210.30.42.20.10.001 - $4700 plus label

Omega - 210.30.42.20.10.001 · $4,700
This Omega Seamaster Diver 300M Green features a pre-owned condition with most wear on the bracelet, light wear on the case sides and polished areas.

  • Condition: Pre-owned, light wear on bracelet and case sides
  • Bracelet condition: light wear
  • Case condition: light wear
Posted at
Apr 25, 2026, 9:43 PM
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[WTS] Omega Seamaster Diver 300M – Automatic 41mm – Steel & Yellow Gold

Omega Seamaster Diver 300M – Automatic 41mm – Steel & Yellow Gold

Omega - 2455.8 · $4,250
This Omega Seamaster Diver 300M features a stainless steel and yellow gold two-tone design, with an electric blue wave dial and solid gold bezel. The watch has 300 meters of water resistance and comes with three cards.

  • Condition: Excellent all around condition
  • Movement: Omega caliber 1120 automatic movement
  • Water resistance: 300m depth rating
  • Case size: 41mm diameter
Posted at
Apr 25, 2026, 3:09 PM
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[WTS] 2018 Omega Seamaster Diver 300m Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

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

Omega - 212.30.41.20.03.001 · $3,600
The Omega Seamaster Diver 300M features a clean, glossy blue dial and a stainless steel case that wears comfortably. It's an easy-to-wear diver with everyday use and real-world durability.

  • Condition: Excellent
  • Case diameter: 41mm
  • Crystal material: Sapphire
  • Bracelet material: Stainless Steel
Posted at
Apr 25, 2026, 2:43 PM
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[WTS] Omega Seamaster Diver 300M, 210.32.42.20.01.003

Omega Seamaster Diver 300M, 210.32.42.20.01.003

Omega - 210.32.42.20.01.003 · $5,000
For sale is my Omega Seamaster Diver 300, black small wave dial, featuring a domed sapphire crystal and an aluminum insert.

  • Condition: LIKE NEW
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
  • Box and papers: yes
Posted at
Apr 25, 2026, 1:31 PM
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[WTS] 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 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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[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

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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[WTS] OMEGA Seamaster Diver 300M 210.32.42.20.03.001 Blue Wave Dial Full Set

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

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

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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