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.
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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] Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,890

Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,890

Omega - 2220.80 · $2,890
Up for sale is my Omega Seamaster 2220.80, a 41mm automatic co-axial cal 2500 movement watch with sapphire crystal and original Omega steel bracelet.

  • Condition: 8.8 / 10, great condition with minimal marks/hairlines
  • Case size: 41mm diameter
  • Bracelet size range: 7-7.25 inches for up to certain wrist sizes
  • Shipping method: Fedex Priority Shipping
Posted at
May 27, 2026, 9:40 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M Co-Axial 2220.80 41mm Box and Papers - $2,890 -Reserved Post for u/lastattempt3

Omega Seamaster 300M Co-Axial 2220.80 41mm Box and Papers - $2,890 -Reserved Post for u/lastattempt3

Omega - 2220.80 · $2,890
Up for sale is my Omega Seamaster 2220.80, a 41mm automatic co-axial cal 2500 movement watch with a steel case and original Omega steel bracelet.

  • Condition: 8.9/10 - great condition with minimal marks/hairlines
  • Case size: 41mm diameter
  • Movement type: co-axial cal 2500
  • Bracelet material: steel
Posted at
May 27, 2026, 9:15 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M White 42MM - Ref 210.32.42.20.04.001 (NEW 5/2026 COMPLETE SET)

Omega Seamaster 300M White 42MM - Ref 210.32.42.20.04.001 (NEW 5/2026 COMPLETE SET)

Omega - 210.32.42.20.04.001 · $5,300
A brand new Omega Seamaster 300M White, Ref 210.32.42.20.04.001, complete with its original accessories.

  • Condition: New and unworn
  • Accessories included: outer sleeve, outer box, inner box, all cards, instruction manual, serialized hangtag, AD shipping coffin, travel case
Posted at
May 26, 2026, 8:41 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (NEW 5/2026 COMPLETE SET)

Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (NEW 5/2026 COMPLETE SET)

Omega - 210.30.42.20.03.001 · $5,600
A 42MM Omega Seamaster 300M Blue, with a complete set of original accessories.

  • Condition: New & unworn
  • Size: 42mm diameter
  • Water Resistance: 30m depth rating (no water resistance mentioned, but standard for the model)
  • Year: 2026
Posted at
May 26, 2026, 8:38 PM
Active
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[WTS] Omega Seamaster 300M 2532.20.00 Bracelet and Strap $3,499

Omega Seamaster 300M 2532.20.00 Bracelet and Strap $3,499

Omega - 2532.20.00 · $3,499
A Omega Seamaster 300M 2532.20.00 is being sold with a bracelet and strap.

  • Bracelet: Bracelet and Strap
Posted at
May 26, 2026, 11:44 AM
Active
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[WTS] Omega Seamaster 300 Titanium - 41mm Blue Dial - 233.90.41.21.03.001

Omega Seamaster 300 Titanium - 41mm Blue Dial - 233.90.41.21.03.001

Omega - 233.90.41.21.03.001 · $4,495
This Omega Seamaster 300 features a lightweight titanium case, blue dial, and micro-adjust clasp for comfort on the wrist.

  • Condition: Good overall pre-owned condition with normal wear
  • Size: 41mm diameter
  • Water Resistance: 200m depth rating
Posted at
May 25, 2026, 10:09 PM
Active
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[WTS] Omega Seamaster 300M SMP Ceramic 21030422001001

Omega Seamaster 300M SMP Ceramic 21030422001001

Omega - 21030422001001 · $3,999
A black wave dial Omega Seamaster 300 on a bracelet, featuring minor cosmetic blemishes from desk wear.

  • Condition: Minor surface marks, in great shape
  • Box and papers included: yes
  • Bracelet condition: minor surface marks
Posted at
May 25, 2026, 1:02 PM
Active
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[WTS] Omega Seamaster 300M SMP Ceramic 21030422001001

Omega Seamaster 300M SMP Ceramic 21030422001001

Omega - 21030422-0010001
Posted at
May 25, 2026, 1:01 PM
Active
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[WTS] Omega Seamaster 300

Omega Seamaster 300

Omega - 168.1622 · $800
This Omega Seamaster 300 is a first-generation automatic watch, featuring a caliber 1120 and measuring 36mm in diameter. It's an excellent dive watch for everyday use.

  • Condition: Excellent, some natural wear and tear due to its age
  • Caliber: 1120
  • Case size: 36 mm
  • Water resistance: Not specified
Posted at
May 24, 2026, 11:56 AM
Active
View listing on r/WatchExchange