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.
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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 212.30.41.20.03.001

Omega Seamaster Diver 300M 212.30.41.20.03.001

Omega - 212.30.41.20.03.001 $3,795
This Omega Seamaster Diver 300M features a 41mm stainless steel case with blue dial and ceramic bezel, powered by the Caliber 2500 co-axial automatic movement.

  • Condition: excellent pre-owned
  • Case size: 41mm
  • Diameter: 41mm
  • Water resistance: 300m
Posted at
Feb 9, 2026, 2:59 PM
Active
[WTS] 2021 Omega Seamaster Diver 300M 42mm 210.30.42.20.03.001 Full Set

2021 Omega Seamaster Diver 300M 42mm 210.30.42.20.03.001 Full Set

Omega - 210.30.42.20.03.001 $4,595
A modern, high-performance dive watch with iconic Seamaster styling, featuring a blue wave dial and steel bracelet.

  • Condition: Excellent
  • Year: 2021
  • Contents: Complete set with serialized hang tag
  • Shipping: FedEx fully insured PM
Posted at
Feb 9, 2026, 12:39 PM
Active
[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 馃敟$8,100馃敟

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

OMEGA - 522.21.42.20.04.001 $8,100
The OMEGA Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case combining stainless steel with 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 depth rating
Posted at
Feb 8, 2026, 7:31 PM
Active
[WTS] 2023 Omega Seamaster Diver 300M 42mm 210.30.42.20.06.001 Full Set Excellent

2023 Omega Seamaster Diver 300M 42mm 210.30.42.20.06.001 Full Set Excellent

Omega - 210.32.42.20.06.001 $4,595
This is a modern Omega Seamaster Diver 300M watch with iconic styling, featuring a grey wave dial and blue ceramic bezel.

  • Condition: Excellent
  • Year: 2023
  • Contents: Full Set
Posted at
Feb 7, 2026, 12:41 PM
Active
[WTS] Omega Seamaster Diver 300M 007 Edition (210.90.42.20.01.001)

Omega Seamaster Diver 300M 007 Edition (210.90.42.20.01.001)

  • Model name: Seamaster Diver 300M 007 Edition
Posted at
Feb 7, 2026, 3:32 AM
Active
[WTS] 2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue 210.30.42.20.03.003 Full Set

2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue 210.30.42.20.03.003 Full Set

Omega - 210.30.42.20.03.003 $4,600
2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue, a stainless steel automatic diver's watch with a rotating dive bezel and summer blue gradient ceramic dial.

  • Condition: Nice pre-owned condition with some scratches on the case bezel and bracelet
  • Case Material: stainless steel
  • Case Dimensions: 42mm diameter
  • Bezel: stainless steel with blue ceramic insert
Posted at
Feb 6, 2026, 5:22 PM
Active
[WTS] 2024 Omega Seamaster Diver 300M Sedna Gold 210.22.42.20.03.002 Full Set Like New

2024 Omega Seamaster Diver 300M Sedna Gold 210.22.42.20.03.002 Full Set Like New

Omega - 210.22.42.20.03.002 $6,950
A luxury two-tone take on the iconic Diver 300M, featuring a blue ceramic wave-pattern dial and an 18K Sedna Gold bezel.

  • Condition: Mint
  • Case size: 42mm diameter
  • Bezel material: 18K Sedna Gold
Posted at
Feb 6, 2026, 1:26 PM
Active
[WTS] Omega Seamaster Diver 300M, 212.32.41.20.04.001, Limited Edition 007 Commander鈥檚 Watch, 2018

Omega Seamaster Diver 300M, 212.32.41.20.04.001, Limited Edition 007 Commander鈥檚 Watch, 2018

Omega - 212.32.41.20.04.001 $6,500
  • Limited edition: 007 Commander's Watch
  • Year: 2018
  • Note: Additional Details
Posted at
Feb 5, 2026, 9:23 PM
Active
[WTS] Omega Seamaster Diver 300M 007 NTTD

Omega Seamaster Diver 300M 007 NTTD

Omega - 210.90.42.20.01.001 $8,750
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