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

Reference 210.30.42.20.03.001

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of watchmaking, boasting a robust 42mm stainless steel case, blue ceramic bezel with rotating 0-60 scale, and stunning blue dial with wave pattern. Protected by sapphire crystal, this timepiece showcases the intricate Omega caliber 8800 movement, featuring Co-Axial escapement and Master Chronometer certification for exceptional accuracy and resilience against magnetic fields up to 15,000 gauss.
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MSRP: $5,900
Market Price: $3,806

Key Features

  • 42mm stainless steel case
  • Blue ceramic bezel with rotating 0-60 scale
  • Stunning blue dial with wave pattern
  • Sapphire crystal protection
  • Omega caliber 8800 movement
  • Co-Axial escapement
  • Master Chronometer certification
  • Water resistance up to 300 meters

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Blue / Bracelet
Reference
210.30.42.20.03.001
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 Blue Wave Dial | Ref. 210.30.42.20.03.001 | 42mm | Stainless Steel | Full Set | 2025

Omega Seamaster Diver 300M Blue Wave Dial | Ref. 210.30.42.20.03.001 | 42mm | Stainless Steel | Full Set | 2025

A Omega Seamaster Diver 300M with a blue wave dial and 42mm stainless steel case.

  • Case size: 42mm diameter
  • Materials: Stainless Steel
Posted at
Apr 18, 2026, 11:57 AM
Active
[WTS] Omega Seamaster Professional 300M 42mm 210.30.42.20.03.001 | 2024 Box and Papers

Omega Seamaster Professional 300M 42mm 210.30.42.20.03.001 | 2024 Box and Papers

A well-maintained Omega Seamaster Professional 300M in a 42mm case, featuring a Master Chronometer certification and accompanied by its original box and papers.

  • Condition: Excellent Pre-Owned
  • Case Size: 42mm diameter
  • Box Contents: 2024 Box and Papers,Pictogram Card,Master Chronometer Card,Card Holder,Manual,Travel Pouch
  • Links: 11.5
Posted at
Apr 14, 2026, 8:10 PM
Active
[WTS] Omega Seamaster Diver 300m 210.30.42.20.03.001- $4500

Omega Seamaster Diver 300m 210.30.42.20.03.001- $4500

This Omega Seamaster 300m features a blue ceramic wave dial with the robust 8800 METAS movement. The watch is in good overall condition.

  • Condition: Good, with minor marks and scratches
  • Case size: 42mm
  • Movement: 8800 METAS
  • Water resistance: 300m
Posted at
Apr 14, 2026, 11:54 AM
Active
[WTS] 2024 Omega Seamaster Diver 300m Blue Dial on Bracelet 210.30.42.20.03.001 B+P

2024 Omega Seamaster Diver 300m Blue Dial on Bracelet 210.30.42.20.03.001 B+P

The Omega Seamaster Diver 300M reference number 210.30.42.20.03.001 features a stunning blue wave-pattern dial paired with a blue ceramic bezel, equipped with Omega’s Co-Axial Master Chronometer Caliber 8800 movement and offering exceptional precision, anti-magnetic protection, and an astounding 300-meter water resistance.

  • Condition: Excellent
  • Case Diameter: 42mm
  • Crystal: Sapphire
  • Bezel Material: Blue Ceramic
Posted at
Apr 8, 2026, 1:55 PM
Active
Omega Seamaster Professional 300m Diver Blue Dial/Bezel

Omega Seamaster Professional 300m Diver Blue Dial/Bezel

This Omega Seamaster Professional is a 42mm diver's watch with a blue ceramic dial and bezel, featuring an automatic movement with a 55-hour power reserve.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Thickness: 14mm
  • Lug width: 20mm
Posted at
Apr 6, 2025, 8:49 AM
Active
Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 (excellent / complete)

Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 (excellent / complete)

This Omega Seamaster 300M features a 42mm stainless steel case with a blue dial and bezel, powered by the Master Co-Axial Movement.

  • Condition: Excellent / Complete Set
  • Case size: 42mm diameter
  • Movement type: Master Co-Axial
Posted at
Mar 25, 2025, 3:13 PM
Active
Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 ( excellent / 2024 )

Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 ( excellent / 2024 )

This Omega Seamaster 300 is a Master Chronometer with a 42mm stainless steel case, featuring a blue dial and bezel on a bracelet.

  • Condition: Excellent
  • Movement: 8800 Master Co-Axial Movement
  • Case size: 42mm diameter
  • Shipping options: Fedex Express within the US, International Shipping adds $150
Posted at
Feb 6, 2025, 3:27 PM
Active
Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (2022 LIKE NEW COMPLETE)

Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (2022 LIKE NEW COMPLETE)

A 42MM Omega Seamaster 300M Blue with all functions working properly and included accessories.

  • Condition: Like new, worn less than a handful of times
  • Box And Papers: Complete box and papers, dated May 2022
  • Included Accessories: Outer sleeve, outer box, inner box, instruction manual, serialized hangtag, dust bag
Posted at
Jan 29, 2025, 4:58 PM
Active
[WTS] Omega Seamaster Diver 300M 210.30.42.20.04.001 – Full Set

Omega Seamaster Diver 300M 210.30.42.20.04.001 – Full Set

This Omega Seamaster Diver 300M features a steel case, black ceramic bezel with white enamel diving scale, and a polished white ceramic laser-engraved wave dial. It has a Caliber 8800 Master Chronometer movement, helium escape valve, and 300m water resistance.

  • Condition: Good, with light wear from normal use
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
  • Movement: Caliber 8800 Master Chronometer
Posted at
Apr 22, 2026, 11:32 AM
Active