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

Reference 234.63.41.21.99.001

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

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.

Buy Now on Jomashop

This is an affiliate link

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

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

Omega - 233.30.41.21.01.001 · $3,900

Up for sale is an Omega Seamaster 300 Heritage - 41mm - Black Dial, which functions perfectly mechanically.

Condition: Fantastic condition with minor hairlines
Case Size: 41mm
Dial Color: black

Posted at

Mar 19, 2026, 7:46 AM

Active

View listing on r/WatchExchange

Omega Seamaster 300M Co-Axial 2220.80 41mm Box and Card- $2,790

Omega - 2220.80 · $2,790

Up for sale is my Omega Seamaster 2220.80. This watch measures at 41mm and has an automatic co-axial cal 2500 movement.

Condition: 8.9/10, great condition with minimal marks/hairlines on case, caseback, and bracelet
Case size: 41mm diameter
Movement: automatic co-axial cal 2500
Bracelet type: original Omega steel bracelet

Posted at

Mar 19, 2026, 4:37 AM

Active

View listing on r/WatchExchange

Omega Seamaster 300 Heritage - Mint w/Straps - Under Warranty

Omega - 234.30.41.21.03.001 · $4,800

The Omega Seamaster 300 Heritage is a modern reissue of Omega's classic dive watch with a beautiful blue sandwich dial and vintage-inspired design.

Condition: Near Mint
Case size: 41mm diameter
Movement: Omega Master Chronometer automatic movement (Calibre 8912)
Bezel direction: Unidirectional dive bezel

Posted at

Mar 18, 2026, 2:02 PM

Active

View listing on r/WatchExchange

OMEGA Heavyweights: Moonwatch 3861 Sapphire Sandwich (310.30.42.50.01.002) & Seamaster 300M Ceramic/Sedna Gold (210.62.44.20.01.001)

Omega - 3861, 310.30.42.50.01.002 and 210.62.44.20.01.001

Model names: Moonwatch & Seamaster 300M
Materials: Sapphire Sandwich, Ceramic/Sedna Gold

Posted at

Mar 17, 2026, 9:57 AM

Active

View listing on r/WatchExchange

Omega Seamaster 300M Co-Axial 2220.80 41mm Box and Card- $2,790

Omega - 2220.80 · $2,790

Up for sale is my Omega Seamaster 2220.80, a 41mm watch with an automatic co-axial cal 2500 movement.

Condition: 8.9/10 - great condition with minimal marks/hairlines
Case size: 41mm
Movement: co-axial cal 2500
Crystal: sapphire crystal

Posted at

Mar 15, 2026, 9:46 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300 “No Time to Die” $7399

Omega - 210.90.42.20.01.001 · $7,399

The Omega Seamaster Diver 300M “No Time To Die” reference 210.90.42.20.01.001 is a lightweight, tactical, and unmistakably cool watch that blends cinematic heritage with serious dive-watch performance.

Condition: Used, with minor scratches on the clasp and a small mark on the lug
Material: Titanium
Bracelet type: Mesh
Depth rating: 300m

Posted at

Mar 15, 2026, 12:13 PM

Active

View listing on r/WatchExchange