Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 43.5 Sedna Black

Reference 210.62.44.20.01.001

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 43.5 Sedna Black (210.62.44.20.01.001) is a stunning luxury watch that combines style, functionality, and cutting-edge technology. Its black ceramic case features scratch-resistant durability and luxurious Sedna Gold accents. The rotating 0-60 bezel ensures accurate underwater time tracking, while the black dial with stick and dot indexes provides excellent visibility. The Omega caliber 8806 movement boasts a chronometer-certified Co-Axial escapement, reducing friction for enhanced accuracy and longevity. With 300 meters of water resistance, this watch is built to withstand any adventure. Its ceramic and Sedna Gold combination feels luxurious against the skin, making it suitable for all-day wear. Whether you're diving deep or attending a formal event, this timepiece effortlessly transitions between styles.
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MSRP: $13,000
Market Price: $8,768

Key Features

  • Black ceramic case with scratch-resistant durability
  • Luxurious Sedna Gold accents
  • Rotating 0-60 bezel for accurate underwater time tracking
  • Chronometer-certified Omega caliber 8806 movement
  • 300 meters of water resistance for diving adventures
  • Ceramic and Sedna Gold combination feels luxurious against the skin
  • Suitable for all-day wear

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 43.5 Sedna Black
Reference
210.62.44.20.01.001
Movement
8806
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
43.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster 210.62.44.20.01.001 Sedna Gold on Ceramic

Omega Seamaster 210.62.44.20.01.001 Sedna Gold on Ceramic

The Omega Seamaster Sedna Gold on Ceramic features a 43.5mm case, 300m water resistance, and an Omega Co-Axial Master Chronometer Calibre 8806 movement with 55-hour power reserve.

  • Condition: Excellent/Near mint condition
  • Case size: 43.5 mm diameter
  • Lug-to-lug: 51.5 mm length
  • Case thickness: 14.5 mm
Posted at
Apr 22, 2026, 9:36 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

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
[WTS] Omega Seamaster Diver 300M 210.22.42.20.03.001 Two-Tone Blue Dial Full Set

Omega Seamaster Diver 300M 210.22.42.20.03.001 Two-Tone Blue Dial Full Set

A two-tone Omega Seamaster Diver 300M with a blue dial and matching blue rubber strap, featuring an automatic movement and a stainless steel and yellow gold case.

  • Condition: Very Good
  • Case size: 42mm diameter
  • Movement type: Automatic
  • Serial number status: Blurred in photos for security
Posted at
Apr 27, 2026, 9:48 AM
Active
[WTS] Omega Seamaster Diver 300M – Automatic 41mm – Electric Blue w/ Bond bracelet

Omega Seamaster Diver 300M – Automatic 41mm – Electric Blue w/ Bond bracelet

The Omega Seamaster Diver 300M features a stainless steel case, electric blue dial, and polished steel bezel on an Omega bracelet.

  • Condition: Excellent all-around condition
  • Movement: Omega caliber 1120 automatic movement
  • Water resistance: 300 meters
Posted at
Apr 26, 2026, 2:47 PM
Active
[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