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

Reference 210.20.42.20.03.002

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is an exceptional watch that successfully merges style, functionality, and durability. Its stunning blue dial with Sedna gold accents is reminiscent of the deep ocean, while its robust stainless steel case and ceramic bezel provide a durable and scratch-resistant exterior. At the heart of this luxury timepiece lies the Omega caliber 8800, a self-winding movement featuring a Co-Axial escapement that increases accuracy and reduces friction. With a power reserve of 55 hours, Master Chronometer certification, and resistance to magnetic fields up to 15,000 gauss, this watch is both precise and reliable. The Seamaster Diver 300M boasts an impressive water resistance of 300m, making it perfect for diving or everyday wear. Whether you're an avid diver or simply appreciate fine craftsmanship, this watch is sure to impress with its versatility, style, and luxury appeal.
Buy Now on Jomashop
This is an affiliate link
MSRP: $12,700
Market Price: $7,610

Key Features

  • 42mm Stainless Steel Case
  • Sapphire Crystal Glass
  • 300m Water Resistance
  • Master Chronometer Certification
  • Omega Caliber 8800 Movement
  • Co-Axial Escapement
  • 55-Hour Power Reserve

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Sedna Gold / Blue / Bracelet
Reference
210.20.42.20.03.002
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 Black 210.92.44.20.01.001 ♦️Brand New 2024♦️

Omega Seamaster Diver 300M Black 210.92.44.20.01.001 ♦️Brand New 2024♦️

This is a brand new Omega Seamaster Diver 300M Black watch from Q1 2024 in full set with box and papers. The timepiece features the Calibre 65 movement and comes complete with all original documentation.

  • Condition: Brand New
  • Calibre: Calibre 65
  • Date: Q1 2024
  • Set Status: Full set with box and papers
Posted at
Mar 3, 2026, 2:26 AM
Active
[WTS] Omega Seamaster Diver 300M "Daniel Craig" with MESH BRACELET SIZE S

Omega Seamaster Diver 300M "Daniel Craig" with MESH BRACELET SIZE S

Up for sale is the Omega Seamaster Diver 300M 'Daniel Craig' with a black dial and wave design. It features a steel case, domed sapphire crystal, and a self-winding movement with a power reserve of 55 hours.

  • Condition: Brand new, barely worn
  • Case diameter: 42mm
  • Thickness: 13.80mm
  • Water resistance: 300m depth rating
Posted at
Mar 1, 2026, 2:26 PM
Active
[WTS] Omega Seamaster Diver 300M Blue on Bracelet + OEM strap - Box & Papers - Great Condition - December 2024 - REPOST/REDUCED

Omega Seamaster Diver 300M Blue on Bracelet + OEM strap - Box & Papers - Great Condition - December 2024 - REPOST/REDUCED

This Omega Seamaster Diver 300M Blue on Bracelet is a 42mm watch that comes with an authentic OEM rubber strap in blue and is under warranty through December 2029.

  • Condition: Great Condition, minor scuffs on the clasp and case
  • Bracelet condition: plenty of hairline scratches along with minor/shallow scuffs on the clasp
  • Case condition: minor scuffs
  • Crystal condition: flawless
Posted at
Mar 1, 2026, 2:17 PM
Active
[WTS] Omega Seamaster Diver 300M 42mm Full Box & Papers Complete Set (210.32.42.20.01.001)

Omega Seamaster Diver 300M 42mm Full Box & Papers Complete Set (210.32.42.20.01.001)

A Omega Seamaster Diver 300m in black on a black dial, featuring a 42mm case size.

  • Condition: very good condition
  • Case Size: 42mm
Posted at
Mar 1, 2026, 11:56 AM
Active
[WTS] Omega Seamaster Diver 300M – James Bond 60th Anniversary – Complete – Unworn

Omega Seamaster Diver 300M – James Bond 60th Anniversary – Complete – Unworn

Omega - 21030422003002 · $7,250
A James Bond 60th Anniversary edition Omega Seamaster Diver 300M with a blue wave dial, animated caseback, and mesh bracelet.

  • Condition: Unworn
  • Movement: co-axial master chronometer Calibre 8806
  • Water Resistance: 300m
  • Case Size: 42mm
Posted at
Feb 28, 2026, 2:13 PM
Active
[WTS] Omega Seamaster Diver 300M - White Dial - Full Kit

Omega Seamaster Diver 300M - White Dial - Full Kit

Up for sale is my Omega Seamaster 300M, a diver's watch with a white dial. It has accumulated some scratches over the years but all functions seem to be operating normally.

  • Condition: Pre-owned with scratches on the case and bracelet
  • Year purchased: 2021
  • Warranty: International Warranty
  • Depth rating: 300m
Posted at
Feb 27, 2026, 6:39 PM
Active
[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🔥

A luxurious tribute to sporting excellence, the Seamaster Diver 300M 'Paris 2024' features a stainless steel and 18K Moonshine Gold case with a laser-structured diving scale and a white ceramic dial.

  • Condition: UNWORN
  • Case size: 42mm
  • Movement: Calibre 8800 Master Chronometer
  • Water resistance: 300m
Posted at
Feb 26, 2026, 9:08 PM
Active