Omega Seamaster 300 Seamaster 300 Co-Axial Master Chronometer Yellow Gold / Malachite

Reference 234.63.41.21.99.001

About this watch

The Omega Seamaster 300 Co-Axial Master Chronometer in Yellow Gold and Malachite is a masterpiece of horology, combining luxurious materials, precision engineering, and stunning design. At its heart is the automatic Omega caliber 8913 movement, boasting a chronometer rating, 60-hour power reserve, and 25,200 vibrations per hour for unparalleled accuracy. The watch features a striking yellow gold case and Malachite dial, with arrow-shaped hands providing both style and clarity. With its impressive water resistance of 300 meters, this timepiece is perfect for divers and luxury watch collectors alike. Whether you're exploring coral reefs or attending a gala, the Omega Seamaster 300 ensures you're always on time and in style.
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Key Features

  • Automatic Omega caliber 8913 movement
  • Chronometer-rated accuracy
  • 60-hour power reserve
  • Yellow gold case with Malachite dial
  • Rotating bezel for timing dives or activities
  • Water resistance of 300 meters
  • Sapphire glass protection against scratches and impacts

Specifications

Brand
Omega
Family
Seamaster 300
Model
Seamaster 300 Co-Axial Master Chronometer Yellow Gold / Malachite
Reference
234.63.41.21.99.001
Movement
8913
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 41mm
Dial Color
Green
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] 2018 Omega Seamaster 300M Chrono GMT 44MM Full Set 212.30.44.52.01.001

2018 Omega Seamaster 300M Chrono GMT 44MM Full Set 212.30.44.52.01.001

2018 Omega Seamaster 300M Chrono GMT 44MM, full set with excellent condition box and papers.

  • Case Size: 44mm diameter
  • Water Resistance: 300m depth rating
Posted at
Mar 13, 2026, 7:08 PM
Active
[WTS] Omega Seamaster 300 210.30.44.51.03.001 COMPLETE SET 2021

Omega Seamaster 300 210.30.44.51.03.001 COMPLETE SET 2021

A 2021 Omega Seamaster 300 reference 210.30.44.51.03.001 in excellent condition, with a 44mm diameter.

  • Condition: Excellent
  • Diameter: 44mm
  • Year of manufacture: 2021
Posted at
Mar 13, 2026, 2:09 PM
Active
[WTS] Omega Seamaster 300M Green Seaweed (210.30.42.20.10.001) Complete Set

Omega Seamaster 300M Green Seaweed (210.30.42.20.10.001) Complete Set

This Omega Seamaster 300M Green Seaweed is a complete set, including box, hang tag, and triple cards.

  • Condition: Great condition, minor hairlines on clasp and bracelet, tiny ding on case at 8 o'clock and bezel at 2 o'clock
  • Box condition: outer is damaged
  • Bracelet condition: minor hairlines
Posted at
Mar 12, 2026, 7:11 PM
Active
[WTS] Omega Seamaster 300m Black Ceramic/Gold 210.62.44.20.01.001

Omega Seamaster 300m Black Ceramic/Gold 210.62.44.20.01.001

The Omega Seamaster Diver 300M features a fully ceramic case, lightweight and virtually scratch-proof, with blacked-out matte finish and 18K Sedna Gold accents.

  • Case diameter: 43.5mm
  • Thickness: 14.5mm
  • Lug width: 21mm
Posted at
Mar 12, 2026, 4:23 PM
Active
[WTS] Omega Seamaster 300M - 2220.80 – James Bond Casino Royale 41mm

Omega Seamaster 300M - 2220.80 – James Bond Casino Royale 41mm

Omega - 2220.80 · $2,750
This Omega Seamaster 300M is a stunning piece, described as being in good condition with a crisp blue wave dial and clean bracelet and case.

  • Condition: Good condition overall
  • Case size: 41mm
  • Bracelet size range: 7 - 7.25 inch
Posted at
Mar 12, 2026, 1:55 PM
Active
[WTS] Omega Seamaster 300 Master Co-Axial 41 mm in Sedna gold

Omega Seamaster 300 Master Co-Axial 41 mm in Sedna gold

The Omega Seamaster 300 Master Co-Axial features a sand-blasted black dial with 18K Sedna gold hands and a ceramic bezel ring with a Ceragold diving scale, set in a 41 mm stainless steel case on a brown leather strap.

  • Case material: 41 mm stainless steel
  • Band: brown leather strap
  • Dial color: sand-blasted black
Posted at
Mar 12, 2026, 1:31 PM
Active
[WTS] Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - Full Set

Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - Full Set

Up for sale is an Omega Seamaster 300 Heritage in 41mm case size, featuring a black dial.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 41mm
Posted at
Mar 12, 2026, 5:09 AM
Active
[WTS] Omega Seamaster 300m James Bond 41mm Automatic 2531.80

Omega Seamaster 300m James Bond 41mm Automatic 2531.80

  • Material: stainless steel
  • Size: 41mm diameter
Posted at
Mar 11, 2026, 7:54 PM
Active
[WTS] Omega Seamaster 300m Black Ceramic/Gold 210.62.44.20.01.001

Omega Seamaster 300m Black Ceramic/Gold 210.62.44.20.01.001

This Omega Seamaster Diver 300M is a modern, worry-free daily driver with a fully ceramic case that's lightweight and virtually scratch-proof. The black finish makes it stealthy, but the 18K Sedna Gold accents give it warmth and luxury.

Posted at
Mar 10, 2026, 2:23 PM
Active