Omega Seamaster 300 Seamaster 300 Co-Axial Master Chronometer Platinum / Malachite

Reference 234.93.41.21.99.001

About this watch

The Omega Seamaster 300 Co-Axial Master Chronometer Platinum / Malachite is a stunning example of luxury watchmaking, blending elegance with functionality. This timepiece showcases the brand's craftsmanship and attention to detail, making it a standout in the Seamaster family. The platinum case and malachite dial add a touch of sophistication, while the automatic movement ensures precision and reliability. With its 60-hour power reserve and water resistance of 300 meters, this watch is perfect for diving enthusiasts or those who appreciate luxury and functionality. Whether you're at the office or out on the town, the Omega Seamaster 300 Co-Axial Master Chronometer Platinum / Malachite is a versatile timepiece that exudes style and substance.
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Key Features

  • Platinum case with malachite dial
  • Automatic Omega caliber 8913 movement
  • 60-hour power reserve
  • Water resistance of 300 meters
  • Sapphire crystal for scratch protection
  • Sturdy platinum bracelet
  • Easy-adjust clasp

Specifications

Brand
Omega
Family
Seamaster 300
Model
Seamaster 300 Co-Axial Master Chronometer Platinum / Malachite
Reference
234.93.41.21.99.001
Movement
8913
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
41mm
Dial Color
Green
Crystal
Sapphire
Water Resistance
300

Current Listings

[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 2551.80 Automatic, 36mm midsize, watch only PLEASE READ $1625

Omega Seamaster 300M 2551.80 Automatic, 36mm midsize, watch only PLEASE READ $1625

Omega - 2551.80.00 · $1,625
The Neo-vintage Omega Seamaster 300M is a mid-sized 36mm diver with an unknown serial number (estimated year). It has been overhauled by a watchmaker and now runs at +7, 260+ amp per timegrapher.

  • Condition: 7/10, minor dings and desk scratches
  • Case Size: 36mm diameter
  • Bracelet Length: up to 7.5"
  • Bezel Condition: fading turns but is tight
Posted at
Mar 11, 2026, 3:58 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