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
[WTS] 2023 Omega Seamaster Diver SMP300m 42mm Blue Wave Dial Reference 210.30.42.20.03.001 Box and Papers

2023 Omega Seamaster Diver SMP300m 42mm Blue Wave Dial Reference 210.30.42.20.03.001 Box and Papers

This is a 2023 Omega Seamaster Diver SMP300M with a 42mm Blue Wave Dial, in excellent condition.

  • Condition: excellent condition with minimal signs of wear
  • Case size: 42mm
  • Water resistance: 300m
Posted at
Apr 8, 2026, 10:37 AM
Active
[WTS] 2022 Omega Seamaster Diver SMP300m 42mm Gray Grey Wave Dial Reference 210.30.42.20.03.001 Box and Papers

2022 Omega Seamaster Diver SMP300m 42mm Gray Grey Wave Dial Reference 210.30.42.20.03.001 Box and Papers

This Omega Seamaster Diver SMP300M features a 42mm grey wave dial and is in excellent condition, with the sapphire crystal clean and free of scratches.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Depth rating: 300m
Posted at
Apr 7, 2026, 10:35 AM
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