Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Sedna Gold / Black / Bracelet

Reference 210.20.42.20.01.001

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a statement piece that blends functionality with luxury. This stunning watch features a striking combination of stainless steel and Sedna gold against the black ceramic bezel, creating a robust yet sophisticated feel. The black dial is a canvas of elegance, featuring stick and dot indexes for enhanced readability. The rotating bezel adds to its aesthetic appeal while being functional for diving purposes. With a water resistance of 300 meters, this watch is designed for serious diving. The Omega caliber 8800 movement powers the watch, tested according to the Master Chronometer certification process approved by METAS, ensuring precision and resistance to magnetic fields. This self-winding movement has a power reserve of 55 hours, making it practical for daily wear. The Seamaster Diver 300M is a perfect blend of style and substance, suitable for both casual outings and formal events. It's like wearing a piece of art on your wristβ€”a trusted companion that can withstand the elements while keeping you stylish.
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MSRP: $12,700
Market Price: $7,558

Key Features

  • Omega caliber 8800 movement
  • Master Chronometer certification
  • 300m water resistance
  • Sedna gold and stainless steel case
  • Black ceramic bezel
  • Rotating bezel for diving purposes
  • Sapphire crystal
  • 42mm diameter
  • Adjustable stainless steel bracelet

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Sedna Gold / Black / Bracelet
Reference
210.20.42.20.01.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] πŸ’πŸ₯…πŸš¨ 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer β€” Unworn, Brushed Grey Wave Dial, Titanium Bezel, Grey Rubber Strap β€” Ref. 210.32.42.20.06.002

πŸ’πŸ₯…πŸš¨ 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer β€” Unworn, Brushed Grey Wave Dial, Titanium Bezel, Grey Rubber Strap β€” Ref. 210.32.42.20.06.002

Omega - 210.32.42.20.06.002 Β· $6,250
A stealthy, technical take on the classic Diver 300M line with a brushed grey dial and titanium bezel, featuring Master Chronometer performance and 300m water resistance.

  • Condition: Unworn
  • Case size: 42mm
  • Water resistance: 300m
  • Bezel material: Grade 5 titanium
Posted at
Apr 21, 2026, 10:42 PM
Active
[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 Β· $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] πŸ’πŸ₯…πŸš¨ 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer β€” Unworn, White Wave Dial, Ceramic Bezel β€” Full Set β€” Ref. 210.30.42.20.04.001

πŸ’πŸ₯…πŸš¨ 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer β€” Unworn, White Wave Dial, Ceramic Bezel β€” Full Set β€” Ref. 210.30.42.20.04.001

Omega - 210.30.42.20.04.001 Β· $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 β€œNo Time To Die” 007 Edition Titanium | Ref. 210.90.42.20.01.001 | Full Set | $8500

Omega Seamaster Diver 300M β€œNo Time To Die” 007 Edition Titanium | Ref. 210.90.42.20.01.001 | Full Set | $8500

Omega - 210.90.42.20.01.001 Β· $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] πŸ’πŸ₯…πŸš¨ 2025 Omega Seamaster Diver 300M Co-Axial Master Chronometer β€” Matte Black No-Date Dial, Orange Accents, Steel Mesh Bracelet β€” Full Set β€” Ref. 210.30.42.20.01.018

πŸ’πŸ₯…πŸš¨ 2025 Omega Seamaster Diver 300M Co-Axial Master Chronometer β€” Matte Black No-Date Dial, Orange Accents, Steel Mesh Bracelet β€” Full Set β€” Ref. 210.30.42.20.01.018

Omega - 210.30.42.20.01.018 Β· $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 Β· $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 Β· $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+ 🏷️

OMEGA Seamaster Diver 300M 210.32.42.20.04.001 Box And Papers+ Original Receipt $4300+ 🏷️

OMEGA - 210.32.42.20.04.001 Β· $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