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 Titanium Bronze Gold Green Dial | Ref. 210.90.42.20.10.001 | Full Set | $9,850

Omega Seamaster Diver 300M Titanium Bronze Gold Green Dial | Ref. 210.90.42.20.10.001 | Full Set | $9,850

Omega - 210.90.42.20.10.001 ยท $9,850
The Omega Seamaster Diver 300M in Grade 2 Titanium and exclusive OMEGA Bronze Gold is a visually striking configuration with a unique combination of a deep sandblasted green dial against warm Bronze Gold accents. This watch is exceptionally lightweight and delivers a rich, warm-toned aesthetic. It comes with an extra rubber strap for a sportier, lighter wear option.

  • Condition: Pre-owned, excellent condition, minimal wear, green dial and bezel pristine
  • Case Size: 42mm diameter
  • Bracelet Type: Original titanium brushed Milanese mesh bracelet
  • Water Resistance: 300m / 984ft
Posted at
Apr 21, 2026, 10:37 PM
Active
[WTS] ๐Ÿ’๐Ÿฅ…๐Ÿšจ 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer โ€” Unworn, White Wave Dial, Ceramic Bezel โ€” Full Set โ€” Ref. 210.30.42.20.04.001

๐Ÿ’๐Ÿฅ…๐Ÿšจ 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer โ€” Unworn, White Wave Dial, Ceramic Bezel โ€” Full Set โ€” Ref. 210.30.42.20.04.001

Omega - 210.30.42.20.04.001 ยท $6,150
The 2026 Omega Seamaster Diver 300M in white dial configuration delivers the modern Bond-era Seamaster design with a fresh, high-contrast look that wears brilliantly in any light. The 42 mm stainless steel case and laser-engraved white wave dial create a sharp, contemporary diver aesthetic.

  • Condition: Unworn
  • Case size: 42 mm
  • Movement: Master Chronometer movement
  • Bezel material: Ceramic
Posted at
Apr 21, 2026, 10:33 PM
Active
[WTS] Omega Seamaster Diver 300M โ€œNo Time To Dieโ€ 007 Edition Titanium | Ref. 210.90.42.20.01.001 | Full Set | $8500

Omega Seamaster Diver 300M โ€œNo Time To Dieโ€ 007 Edition Titanium | Ref. 210.90.42.20.01.001 | Full Set | $8500

Omega - 210.90.42.20.01.001 ยท $8,500
The Omega Seamaster Diver 300M 'No Time To Die' James Bond edition features a titanium case and brown/khaki dial with a unique 'Broad Arrow' detail.

  • Condition: Pre-owned, worn lightly with minimal signs of wear on bracelet
  • Case size: 42mm
  • Bracelet material: Grade 2 Titanium
  • Dial color: Brown/khaki
Posted at
Apr 21, 2026, 10:31 PM
Active
[WTS] ๐Ÿ’๐Ÿฅ…๐Ÿšจ 2025 Omega Seamaster Diver 300M Co-Axial Master Chronometer โ€” Matte Black No-Date Dial, Orange Accents, Steel Mesh Bracelet โ€” Full Set โ€” Ref. 210.30.42.20.01.018

๐Ÿ’๐Ÿฅ…๐Ÿšจ 2025 Omega Seamaster Diver 300M Co-Axial Master Chronometer โ€” Matte Black No-Date Dial, Orange Accents, Steel Mesh Bracelet โ€” Full Set โ€” Ref. 210.30.42.20.01.018

Omega - 210.30.42.20.01.018 ยท $6,650
The 2025 Omega Seamaster Diver 300M takes the classic 300M formula and gives it a stealthy, modern twist with a matte black no-date dial, crisp orange accents, and a brushed steel mesh bracelet.

  • Condition: Very good condition
  • Case size: 42mm
  • Water resistance: 300m
  • Movement certification: METAS-certified Master Chronometer performance
Posted at
Apr 21, 2026, 10:25 PM
Active
[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

Omega - 210.30.42.20.10.001 ยท $5,395
Up for sale is a Omega Seamaster Diver 300m Green Seaweed, a watch from the 2024 collection.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Case Size: 42mm
  • Water Resistance: 300m
Posted at
Apr 21, 2026, 12:03 PM
Active
[WTS] Omega Seamaster Diver 300M 41mm 212.30.41.20.01.002 | 2019 Box and Papers

Omega Seamaster Diver 300M 41mm 212.30.41.20.01.002 | 2019 Box and Papers

Omega - 212.30.41.20.01.002 ยท $3,450
A 2019 Omega Seamaster Diver 300M in 41mm size, including original box and papers.

  • Condition: Great Pre-Owned with minor defects (crystal chip)
  • Case Size: 41mm
  • Links: 11.5
Posted at
Apr 20, 2026, 9:49 PM
Active
[WTS] OMEGA Seamaster Diver 300M 210.32.42.20.04.001 Box And Papers+ Original Receipt $4300+ ๐Ÿท๏ธ

OMEGA Seamaster Diver 300M 210.32.42.20.04.001 Box And Papers+ Original Receipt $4300+ ๐Ÿท๏ธ

OMEGA - 210.32.42.20.04.001 ยท $4,300
The Omega Seamaster Diver 300M is a 42mm watch featuring a white dial with waves, 300 meter water resistance, and an 8800 movement.

  • Condition: Excellent, small scratches on bezel groove
  • Case size: 42mm
  • Water resistance: 300m
  • Movement: 8800
Posted at
Apr 19, 2026, 9:31 PM
Active
[WTS] Omega SMP 300 Seamaster Diver 300M America's Cup on Rubber Strap 210.32.42.20.04.002

Omega SMP 300 Seamaster Diver 300M America's Cup on Rubber Strap 210.32.42.20.04.002

Omega - 210.32.42.20.04.002 ยท $4,900
A Omega Seamaster Diver 300M America's Cup on a rubber strap with a red tipped hand and full deployment buckle.

  • Condition: Excellent condition
  • Strap material: rubber
Posted at
Apr 19, 2026, 7:33 PM
Active