Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 44 Chronograph Stainless Steel / Yellow Gold / Blue / Bracelet

Reference 210.20.44.51.03.001

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 44 Chronograph is a luxurious timepiece that embodies elegance and performance. With its stunning blue dial, the watch is reminiscent of the deep ocean, making it perfect for a diver's watch. The combination of stick and dot indexes adds a modern touch, while the sword hands deliver both elegance and readability. The mix of stainless steel and yellow gold gives the Seamaster Diver 300M an opulent feel. The rotating bezel is not only functional for diving but also adds to the overall ruggedness of the timepiece. The open case back showcases the intricate workings of the Omega caliber 9900 movement, allowing you to appreciate the craftsmanship that goes into each piece. With a frequency of 28,800 vibrations per hour and a power reserve of up to 60 hours, this automatic chronograph movement is precise and reliable. The watch features METAS certification, ensuring high standards of precision and performance. With a water resistance of 300 meters, this watch is designed for serious divers and can confidently withstand the pressures of underwater exploration.
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Key Features

  • Omega caliber 9900 Movement
  • 44mm Diameter Stainless Steel Case
  • Sapphire Crystal Glass
  • Rotating Ceramic Bezel
  • METAS Certified Chronograph Movement
  • 300m Water Resistance
  • Stainless Steel and Yellow Gold Construction

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 44 Chronograph Stainless Steel / Yellow Gold / Blue / Bracelet
Reference
210.20.44.51.03.001
Movement
9900
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
  • Chronometer, Co-Axial Escapement
Case
44mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300M 210.30.42.20.04.001 โ€“ Full Set

Omega Seamaster Diver 300M 210.30.42.20.04.001 โ€“ Full Set

Omega - 210.30.42.20.04.001 ยท $4,650
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
[WTS] ๐Ÿ’๐Ÿฅ…๐Ÿšจ 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer โ€” Unworn, Brushed Grey Wave Dial, Titanium Bezel, Grey Rubber Strap โ€” Ref. 210.32.42.20.06.002

๐Ÿ’๐Ÿฅ…๐Ÿšจ 2026 Omega Seamaster Diver 300M Co-Axial Master Chronometer โ€” Unworn, Brushed Grey Wave Dial, Titanium Bezel, Grey Rubber Strap โ€” Ref. 210.32.42.20.06.002

Omega - 210.32.42.20.06.002 ยท $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 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