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] Omega Seamaster 300 Heritage - Near Mint - +2 Straps - Under Warranty

Omega Seamaster 300 Heritage - Near Mint - +2 Straps - Under Warranty

This Omega Seamaster 300 Heritage features a blue sandwich dial and vintage-inspired design, blending classic aesthetics with modern technology and METAS certification.

  • Condition: Near Mint
  • Case size: 41mm diameter
  • Movement: Calibre 8912 - Omega Master Chronometer automatic movement
  • Bezel direction: Unidirectional dive bezel
Posted at
Mar 10, 2026, 11:01 AM
Active
[WTS] OMEGA Seamaster 300M 2561.80

OMEGA Seamaster 300M 2561.80

OMEGA - 300M 2561.80 · $1,500
This Omega Seamaster 300M features a midsize design and quartz movement, with a bracelet circumference of approximately 17.5cm.

  • Condition: Excellent (9/10)
  • Bracelet circumference: approximately 17.5cm
  • Shipping: EU shipping preferred
Posted at
Mar 8, 2026, 1:06 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

For sale is an Omega Seamaster 300 reference 210.30.44.51.03.001, diameter measuring 44mm, in excellent condition with hardly any signs of wear.

  • Condition: Excellent
  • Size: 44mm diameter
  • Payment Methods Accepted: pretty much every payment method, including crypto
  • Location: southwest FL
Posted at
Mar 7, 2026, 1:51 PM
Active

(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.

  • Status: (SOLD)
Posted at
Apr 7, 2025, 10:22 AM
Active
Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

This Omega Seamaster 300M features a 42mm stainless steel case with a black aluminum dial and mesh bracelet, powered by the Master Co-Axial Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: 8806 Master Co-Axial
Posted at
Apr 6, 2025, 4:26 PM
Active
Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )

This Omega Seamaster 300M 42mm features a Summer Blue dial on a stainless steel bracelet, powered by the Master Co-Axial movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement type: Master Co-Axial
Posted at
Apr 4, 2025, 2:51 PM
Active
Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

A black ceramic and 18K gold Omega Seamaster 300M with a wave dial, measuring 43.5mm in diameter.

  • Condition: Very Good (VG)
  • Case size: 43.5mm
  • Material: Black Ceramic and 18K Gold
Posted at
Apr 4, 2025, 12:18 PM
Active
Omega Seamaster 300M - 210.32.42.20.03.001

Omega Seamaster 300M - 210.32.42.20.03.001

This Omega Seamaster 300M is a high-end diving watch with a 42mm case size and 300m water resistance rating. It features a very good condition, minor-wear-only case with perfect front and back sapphire crystals.

  • Condition: Very good condition
  • Case Size: 42mm
  • Water Resistance Rating: 300m (1000 ft.)
  • Depth Rating: 300m depth rating
Posted at
Apr 3, 2025, 4:36 PM
Active
Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( mint )

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( mint )

Up for sale is a mint condition Omega Seamaster 300M 42mm Summer Blue Dial on Bracelet, complete with all boxes, papers, booklets, hang tag and Omega Warranty Card.

  • Condition: Mint Condition
  • Case size: 42mm
  • Movement type: 8800 Master Co-Axial
  • Shipping cost international: 150
Posted at
Apr 3, 2025, 3:14 PM
Active