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 42mm – Ref. 210.32.42.20.01.001 – Full Kit + NATO

Omega Seamaster Diver 300M 42mm – Ref. 210.32.42.20.01.001 – Full Kit + NATO

This is a 2022 Omega Seamaster Diver 300M, featuring a 42mm case size and METAS Certified movement.

  • Condition: Excellent condition
  • Case size: 42mm
  • Movement: Omega Caliber 8800 Master Co-Axial
  • Water resistance: 300m depth rating
Posted at
Feb 11, 2026, 7:55 PM
Active
[WTS] Omega Seamaster Diver 300M Blue Wave – Mint – Full Set – Warranty 2021 $4450

Omega Seamaster Diver 300M Blue Wave – Mint – Full Set – Warranty 2021 $4450

Up for sale is an Omega Seamaster Diver 300M with a 42mm stainless steel case, blue ceramic bezel, and blue wave dial on bracelet.

  • Condition: Mint condition
  • Case size: 42mm diameter
  • Movement: Master Chronometer Cal. 8800
  • Warranty valid until: November 2026
Posted at
Feb 11, 2026, 2:39 AM
Active
[WTS] OMEGA Seamaster Diver 300M “James Bond” Limited Edition 2 Watch Set

OMEGA Seamaster Diver 300M “James Bond” Limited Edition 2 Watch Set

This is a rare opportunity to acquire one of the only 257 OMEGA Seamaster Diver 300M 'James Bond' Limited Edition Sets produced globally. Each set features two unique Seamaster Diver 300M models, one in stainless steel and one in 18K yellow gold, both with Bond-inspired details.

  • Case size: 42mm
  • Water resistance: 300m / 1000ft
  • Diameter of the bezel: 42mm (stainless steel edition) and black ceramic bezel w/Ceragold diving scale (18K yellow gold edition)
Posted at
Feb 10, 2026, 4:12 PM
Active
[WTS] Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2025 Full Set - $5,395

Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2025 Full Set - $5,395

Up for sale is a Omega Seamaster Diver 300m Green Seaweed, a 2025 model featuring a **Reference**: 210.30.42.20.10.001 and other details.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Movement: Master Chronometer
Posted at
Feb 10, 2026, 9:44 AM
Active
[WTS] Omega Seamaster Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

Omega Seamaster Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

This Omega Seamaster Diver 300m Grey is a 2023 model featuring a sleek design and precise timekeeping.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual, Hang Tag
  • Shipping: Fully insured through Fedex in the USA
Posted at
Feb 10, 2026, 9:38 AM
Active
[WTS] Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

A 2022 Omega Seamaster Diver 300M Blue is up for sale, featuring a blue dial and a stainless steel case.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
Feb 10, 2026, 9:35 AM
Active
[WTS] Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

A 2022 Omega Seamaster Diver 300M Blue, featuring a blue dial and a stainless steel case.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Shipping Insurance: Fully insured
Posted at
Feb 10, 2026, 9:31 AM
Active
[WTS] 2018 Omega Seamaster Diver 300M Commander's Watch - REF 212.32.41.20.04.001

2018 Omega Seamaster Diver 300M Commander's Watch - REF 212.32.41.20.04.001

This is a 2018 Omega Seamaster Diver 300M Commander's Watch, with a clean and scratch-free crystal and bezel. It has been on a timegrapher and running within acceptable ranges.

  • Condition: great pre-owned condition
  • Case size: 41mm diameter
  • Bracelet condition: minor signs consistent with age
  • Crystal and bezel condition: clean and scratch free
Posted at
Feb 9, 2026, 7:22 PM
Active