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

Reference 210.20.44.51.01.001

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 44 Chronograph is a testament to Omega's mastery of watchmaking, blending precision with exquisite design. Its striking combination of Stainless Steel and Sedna Gold exudes luxury, while the black ceramic bezel paired with a glossy black dial offers an elegant yet sporty feel. The 44mm diameter case feels substantial on the wrist, but not overwhelming, with a polished finish that reflects light beautifully. The Omega caliber 9900 movement, certified by METAS, boasts impressive technical specifications, including a power reserve of 60 hours and a frequency of 28,800 beats per hour. This automatic movement is engineered for performance, making it an exceptional timepiece for both diving enthusiasts and watch collectors. With its remarkable water resistance of 300 meters, the Seamaster Diver 300M is perfect for underwater adventures, while its date display and stick and dot indexes ensure excellent readability even in low-light conditions. Whether you're a seasoned diver or simply appreciate luxury watches, this timepiece embodies the spirit of adventure and sophistication.
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MSRP: $16,100
Market Price: $9,174

Key Features

  • Omega caliber 9900 movement
  • METAS certification
  • 300m water resistance
  • 44mm diameter case
  • Sedna Gold and Stainless Steel materials
  • Black ceramic bezel and glossy black dial
  • Date display at 6 o'clock

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 44 Chronograph Stainless Steel / Sedna Gold / Black / Bracelet
Reference
210.20.44.51.01.001
Movement
9900
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
  • Chronometer, Co-Axial Escapement
Case
44mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300M "No Wave" - 41mm Ceramic Bezel. Box and cards

Omega Seamaster Diver 300M "No Wave" - 41mm Ceramic Bezel. Box and cards

A discontinued Omega Seamaster Professional 300M 'No Wave' model from 2017, featuring a 41mm case and a unique black lacquer dial. This specific year is notable as it's one of the last production years for this reference before Omega switched to larger models. The watch includes a premium wooden presentation box and an international warranty card.

  • Condition: Light wear with no deep scratches
  • Case size: 41mm diameter
  • Thickness: ~13mm
  • Dial material: black gloss lacquer
Posted at
May 1, 2026, 9:17 PM
Active
[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

The Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, combining stainless steel with 18K Moonshine Gold and featuring a white ceramic dial.

  • Condition: UNWORN
  • Case material: stainless steel and 18K Moonshine Gold
  • Diameter: 42mm
  • Movement: Calibre 8800 Master Chronometer
Posted at
May 1, 2026, 8:00 PM
Active
[WTS] 2023 Omega Seamaster Diver 300M "No Time To Die" 210.90.42.20.01.001 James Bond 007 NTTD Box and Papers

2023 Omega Seamaster Diver 300M "No Time To Die" 210.90.42.20.01.001 James Bond 007 NTTD Box and Papers

This Omega Seamaster Diver 300M James Bond Edition 'No Time To Die' is a 2023 model, featuring a titanium case and brown leather travel case. It comes with its original box, papers, and international warranty card.

  • Condition: Preowned with signs of wear on the case, bracelet, and buckle
  • Case material: Titanium
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
Posted at
May 1, 2026, 2:41 PM
Active
[WTS] Omega Seamaster Diver 300M 42mm Ref. 210.32.42.20.01.001 Full Set

Omega Seamaster Diver 300M 42mm Ref. 210.32.42.20.01.001 Full Set

The Omega Seamaster Diver 300M features a black ceramic wave dial and matching black rubber strap. It has the in-house Calibre 8800 automatic movement and is METAS certified for accuracy, anti-magnetism, and reliability.

  • Condition: Excellent, very good with only light wear consistent with careful ownership
  • Movement: Calibre 8800
  • Case size: 42mm
  • Water resistance: 300m
Posted at
May 1, 2026, 12:34 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

A 2024 Omega Seamaster Diver 300M in Green Seaweed, a high-end diver's watch featuring a 42mm case and excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Depth rating: 300m
Posted at
Apr 30, 2026, 9:58 AM
Active
[WTS] Omega Seamaster Diver 300M Grey Dial | Ref. 210.32.42.20.06.001

Omega Seamaster Diver 300M Grey Dial | Ref. 210.32.42.20.06.001

This Omega Seamaster Diver 300M features a grey laser-engraved wave dial paired with a ceramic bezel, and is powered by the Omega Co-Axial Master Chronometer movement.

  • Condition: Very good condition, showing normal signs of wear consistent with careful use.
  • Case size: 42mm diameter
  • Dial color: Grey
  • Bezel material: Ceramic
Posted at
Apr 28, 2026, 9:16 PM
Active
[WTS] Omega Seamaster Diver 300m Black Dial Steel No Wave Reference 212.30.41.20.01.003 Box and Card dated 2020

Omega Seamaster Diver 300m Black Dial Steel No Wave Reference 212.30.41.20.01.003 Box and Card dated 2020

A black dial Omega Seamaster Diver 300m in excellent condition, featuring a 41mm case and a clean sapphire crystal.

  • Condition: Excellent
  • Water Resistance: 300m
  • Case Size: 41mm
Posted at
Apr 28, 2026, 2:24 PM
Active
[WTS] Omega Seamaster Diver 300M James Bond 60th Anniversary 210.30.42.20.03.002 $6,999

Omega Seamaster Diver 300M James Bond 60th Anniversary 210.30.42.20.03.002 $6,999

This Omega Seamaster Diver 300M James Bond 60th Anniversary watch is a special edition launched to celebrate six decades of 007 on screen. It features a reliable Omega Calibre 8806 movement that is COSC and METAS certified, with resistance to magnetic fields up to 15,000 gauss.

  • Condition: Preowned - Excellent
  • Movement: Omega Calibre 8806
  • Certifications: COSC, METAS certified
  • Magnetic field resistance: 15,000 gauss
Posted at
Apr 28, 2026, 11:37 AM
Active
[WTS] Omega Seamaster Diver 300M 210.30.42.20.03.003 “Summer Blue” — 75th Anniversary, Cal. 8800, Fullset 2023 — $4,599 Shipped (Tariff Covered)

Omega Seamaster Diver 300M 210.30.42.20.03.003 “Summer Blue” — 75th Anniversary, Cal. 8800, Fullset 2023 — $4,599 Shipped (Tariff Covered)

Seamaster Diver 300M 'Summer Blue' edition, celebrating the brand's 75th anniversary, with Calibre 8800 movement and a full set of accessories for 2023.

  • Year: 2023
  • Movement: Cal. 8800
Posted at
Apr 28, 2026, 9:45 AM
Active