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 300 Summer Blue Edition Ref 234.30.41.21.03.002

Omega Seamaster 300 Summer Blue Edition Ref 234.30.41.21.03.002

Posted at
Jun 25, 2025, 6:11 PM
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[WTS] 36mm Omega Seamaster 300 Mid Size 25618000 Box and Papers- Blue Wave Dial

36mm Omega Seamaster 300 Mid Size 25618000 Box and Papers- Blue Wave Dial

Omega - 25618000 · $1,875
The Omega Seamaster 300, reference 25618000, is a timepiece that stands the test of time. Its striking 36mm case creates the perfect balance—streamlined enough for dressier occasions yet robust for everyday adventures.

  • Condition: Previously worn, nice overall condition given its age
  • Case diameter: 36.25mm
  • Dial condition: Brand new
Posted at
Jun 24, 2025, 3:18 PM
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[WTS] Omega Seamaster 300M Co-Axial 44mm Chronograph 212.30.44.50.03.001!

Omega Seamaster 300M Co-Axial 44mm Chronograph 212.30.44.50.03.001!

Omega - 212.30.44.50.03.001 · $5,500
  • Case diameter: 44mm
  • Water resistance: 300m
Posted at
Jun 24, 2025, 2:58 PM
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[WTS][US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 234.30.41.21.01.001 - Full Set

[US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 234.30.41.21.01.001 - Full Set

Omega - 234.30.41.21.01.001 · $4,350
This Omega Seamaster 300 Heritage is a mechanical watch with a 41mm black dial.

  • Condition: Excellent/Fantastic (minor hairlines)
  • Case size: 41mm
  • Dial color: Black
Posted at
Jun 24, 2025, 8:40 AM
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[WTS] Omega Seamaster 300m Black Box & Papers (Comes with NATO, rubber, mesh, bracelet)

Omega Seamaster 300m Black Box & Papers (Comes with NATO, rubber, mesh, bracelet)

Omega - 300M · $6,000
The Omega Seamaster Diver 300M features a sleek black ceramic bezel, black wave-pattern dial, and skeletonized hands filled with Super-LumiNova for maximum legibility.

  • Condition: Excellent / Gently worn
  • Case size: 42mm
  • Bezel material: black ceramic
  • Dial pattern: wave-pattern
Posted at
Jun 23, 2025, 8:52 PM
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[WTS] Omega Seamaster 300 'Summer Blue' 75th Anniversary - Box & Papers

Omega Seamaster 300 'Summer Blue' 75th Anniversary - Box & Papers

Omega - 23430412103002 · $4,600
The Omega Seamaster 300 'Summer Blue' is a special edition watch released to commemorate the 75th anniversary of the Seamaster. It features a blue varnished dial with a gradient finish, matching ceramic bezel and commemorative caseback. The watch has an automatic Co-Axial Master Chronometer Calibre 8912 and comes as a complete set.

  • Condition: Excellent all around condition
  • Case size: 41mm
  • Water resistance: 300m
  • Movement: Automatic Omega Co-Axial Master Chronometer Calibre 8912
Posted at
Jun 23, 2025, 1:58 PM
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[WTS] Omega Seamaster 300 NTTD

Omega Seamaster 300 NTTD

Omega - Seamaster 300 NTTD · $7,700
This Omega Seamaster 300 NTTD is a well-crafted timepiece with good condition, suitable for everyday wear.

  • Condition: Good
  • Includes: Box and Papers (No NATO strap)
  • Payment method: Wire
  • Return policy: 24 hour no questions asked return policy
Posted at
Jun 23, 2025, 1:17 PM
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[WTS] Omega Seamaster 300M Ceramic Black Black $6100

Omega Seamaster 300M Ceramic Black Black $6100

Omega - Seamaster 300M Ceramic Black · $6,100
A black ceramic Omega Seamaster 300M with a domed scratch-resistant sapphire crystal and anti-reflective treatment on both sides. It features a self-winding movement with a power reserve of 55 hours.

  • Condition: Incredible condition, no scratches or signs of wear
  • Case size: 40mm diameter
  • Water resistance: 300m / 1000 feet
  • Movement caliber: Omega 8806
Posted at
Jun 21, 2025, 12:40 PM
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[WTS] Omega Seamaster 300M Ceramic “Black Black” $6100

Omega Seamaster 300M Ceramic “Black Black” $6100

Omega - 300M Ceramic "Black Black" · $6,100
a luxury watch for sale with additional details provided

  • Price: $6100
Posted at
Jun 21, 2025, 12:40 PM
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