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 "Seaweed" Green - 210.32.42.20.10.001

OMEGA Seamaster Diver 300M "Seaweed" Green - 210.32.42.20.10.001

This Omega Seamaster Diver 300M features a stunning polished green ceramic dial and bezel, perfect for those who love the ocean and want a watch that shifts colors in different lighting conditions.

  • Condition: Great pre-owned condition with normal signs of wear
  • Water Resistance: 300m depth rating
Posted at
Apr 26, 2026, 1:05 PM
Active
[WTS] BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,299

BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,299

This Omega Seamaster Diver 300M features a white ceramic dial, laser-engraved waves, and a date window at 6 o'clock. The watch includes a black ceramic bezel with a white enamel diving scale and is powered by the OMEGA Master Chronometer Calibre 8800.

  • Condition: Brand new in box with no issues
  • Case diameter: 42mm
  • Lug width: 20mm
  • Water resistance: 300m
Posted at
Apr 26, 2026, 12:47 PM
Active
[WTS] Omega Seamaster Diver 300M Green – Ref. 210.30.42.20.10.001 - $4700 plus label

Omega Seamaster Diver 300M Green – Ref. 210.30.42.20.10.001 - $4700 plus label

This Omega Seamaster Diver 300M Green features a pre-owned condition with most wear on the bracelet, light wear on the case sides and polished areas.

  • Condition: Pre-owned, light wear on bracelet and case sides
  • Bracelet condition: light wear
  • Case condition: light wear
Posted at
Apr 25, 2026, 9:43 PM
Active
[WTS] Omega Seamaster Diver 300M – Automatic 41mm – Steel & Yellow Gold

Omega Seamaster Diver 300M – Automatic 41mm – Steel & Yellow Gold

Omega - 2455.8 · $4,250
This Omega Seamaster Diver 300M features a stainless steel and yellow gold two-tone design, with an electric blue wave dial and solid gold bezel. The watch has 300 meters of water resistance and comes with three cards.

  • Condition: Excellent all around condition
  • Movement: Omega caliber 1120 automatic movement
  • Water resistance: 300m depth rating
  • Case size: 41mm diameter
Posted at
Apr 25, 2026, 3:09 PM
Active
[WTS] 2018 Omega Seamaster Diver 300m Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

2018 Omega Seamaster Diver 300m Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

The Omega Seamaster Diver 300M features a clean, glossy blue dial and a stainless steel case that wears comfortably. It's an easy-to-wear diver with everyday use and real-world durability.

  • Condition: Excellent
  • Case diameter: 41mm
  • Crystal material: Sapphire
  • Bracelet material: Stainless Steel
Posted at
Apr 25, 2026, 2:43 PM
Active
[WTS] Omega Seamaster Diver 300M, 210.32.42.20.01.003

Omega Seamaster Diver 300M, 210.32.42.20.01.003

For sale is my Omega Seamaster Diver 300, black small wave dial, featuring a domed sapphire crystal and an aluminum insert.

  • Condition: LIKE NEW
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
  • Box and papers: yes
Posted at
Apr 25, 2026, 1:31 PM
Active
[WTS] Omega Seamaster Diver 300M "Sedna Gold & Blue" | 18K Rose Gold Ref. 210.22.42.20.03.002 | 42mm | Stainless Steel & Gold | Full Set | 2023

Omega Seamaster Diver 300M "Sedna Gold & Blue" | 18K Rose Gold Ref. 210.22.42.20.03.002 | 42mm | Stainless Steel & Gold | Full Set | 2023

The Omega Seamaster Diver 300M 'Sedna Gold & Blue' is a luxury watch that blends professional-grade tool watch heritage with the luxury of 18K Sedna gold, featuring an iconic laser-engraved wave dial in deep blue. It's driven by the METAS-certified Calibre 8800, offering high industry standards of precision and magnetic resistance.

  • Condition: 10/10 Condition, visually pristine with no visible marks on the case, bezel, or crystal
  • Case material: 42mm 18K Rose Gold case with Stainless Steel & Gold accents
  • Movement: METAS-certified Calibre 8800
  • Box condition: showing signs of wear/age
Posted at
Apr 25, 2026, 11:14 AM
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

2024 Omega Seamaster Diver 300M with a green seaweed dial, available as a full set.

  • Year: 2024
Posted at
Apr 25, 2026, 10:10 AM
Active
[WTS] OMEGA Seamaster Diver 300M 210.32.42.20.03.001 Blue Wave Dial Full Set

OMEGA Seamaster Diver 300M 210.32.42.20.03.001 Blue Wave Dial Full Set

This OMEGA Seamaster Diver 300M features a 42mm stainless steel case, blue ceramic wave dial, and matching blue bezel. Powered by Omega’s Co-Axial Master Chronometer caliber 8800, it offers everyday wearability and technical performance.

  • Condition: Excellent pre-owned condition
  • Case size: 42mm diameter
  • Movement: Co-Axial Master Chronometer caliber 8800
Posted at
Apr 24, 2026, 8:25 PM
Active