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] 2022 Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue Full Set - $4,495

2022 Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue Full Set - $4,495

This Omega Seamaster Diver 300M Blue is a 2022 model featuring a blue color. It includes various accessories such as the inner and outer box, card holder, international warranty card, and instructions manual.

  • Condition: Excellent condition with minimal signs of wear
  • Box and papers: true
  • Year: 2022
Posted at
May 2, 2026, 1:12 PM
Active
[WTS] 2021 Omega Seamaster Diver SMP300m 42mm Blue Wave Dial Reference 210.30.42.20.03.001 Box and Papers

2021 Omega Seamaster Diver SMP300m 42mm Blue Wave Dial Reference 210.30.42.20.03.001 Box and Papers

2021 Omega Seamaster Diver SMP300M with Blue Wave Dial and 42mm case size.

  • Condition: Excellent
  • Case size: 42mm
  • Depth rating: 300m
  • Water resistance: up to 300m
Posted at
Apr 27, 2026, 1:54 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 James Bond 50th Anniversary Limited Edition | Ref. 212.30.41.20.01.005 | Watch + Box + 1 Year Seller Warranty on Movement | $4495 |

Omega Seamaster Diver 300M James Bond 50th Anniversary Limited Edition | Ref. 212.30.41.20.01.005 | Watch + Box + 1 Year Seller Warranty on Movement | $4495 |

The Omega Seamaster Diver 300M James Bond 50th Anniversary is a highly collectible limited edition watch, released to celebrate 50 years of James Bond. It features a black dial with a subtle 007 motif and commemorative design details. Powered by the Omega Calibre 2507, this 41mm reference offers classic wearability with added collector appeal.

  • Condition: Very good condition
  • Movement: Omega Calibre 2507
  • Case size: 41mm
  • Water resistance: 300m
Posted at
May 3, 2026, 6:21 PM
Active
[WTS] Omega Seamaster Diver 300M – Electric Blue Two Tone – Automatic 41mm – Solid Gold Bezel

Omega Seamaster Diver 300M – Electric Blue Two Tone – Automatic 41mm – Solid Gold Bezel

Omega - 2455.80 · $4,250
The Omega Seamaster Diver 300M features a stainless steel and 18K yellow gold two-tone design with an electric blue wave dial, solid gold bezel, and 41mm case. It's powered by the automatic Omega caliber 1120 movement and has 300 meters of water resistance.

  • Condition: Excellent all around condition
  • Movement: Omega caliber 1120 automatic movement
  • Water Resistance: 300m
Posted at
May 3, 2026, 3:29 PM
Active
[WTS] OMEGA Seamaster Diver 300M Black Dial 210.32.42.20.01.003 + OEM Mesh Bracelet

OMEGA Seamaster Diver 300M Black Dial 210.32.42.20.01.003 + OEM Mesh Bracelet

This Omega Seamaster Professional 300M features a modern case and movement paired with a vintage SMP dial feel, an aluminum bezel with lumed numbers, and comes as a complete set.

  • Bracelet type: OEM mesh stainless steel
  • Box and papers: yes
Posted at
May 2, 2026, 9:12 PM
Active