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 Black Black Diver 210.92.44.20.01.003 (used / 2024 / box and cards)

Omega Seamaster 300M Black Black Diver 210.92.44.20.01.003 (used / 2024 / box and cards)

Omega - 210.92.44.20.01.003 · $6,000
A used Omega Seamaster 300M Black Black Diver with a ceramic wave dial on a rubber strap, featuring a 43.5mm black ceramic case and an 8806 Master Co-Axial Movement.

  • Condition: Gently used
  • Case size: 43.5mm
  • Movement: 8806 Master Co-Axial Movement
  • Straps included: 1 (new, unworn)
Posted at
May 6, 2026, 11:46 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300 Heritage ; Tudor Black Bay Bronze 43mm ; Seiko Prospex SSC927 ; Seiko Prospex SPB485

Omega Seamaster 300 Heritage ; Tudor Black Bay Bronze 43mm ; Seiko Prospex SSC927 ; Seiko Prospex SPB485

Omega - Seamaster 300 Heritage · $4,750
  • Condition: Like new condition, no visible scratches or blemishes
  • Box: includes original box
  • Papers: includes original purchase receipt and papers
  • Bracelet: comes with OEM bracelet with all links in the box
Posted at
May 6, 2026, 1:35 PM
Active
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[WTS] Omega Seamaster 300M Black Aluminum / Orange 210.30.42.20.01.018 ( new / 2025 / box and papers )

Omega Seamaster 300M Black Aluminum / Orange 210.30.42.20.01.018 ( new / 2025 / box and papers )

Omega - 210.30.42.20.01.018 · $6,200
A brand new Omega Seamaster 300 with a 42mm stainless steel case, black aluminum dial and bezel with orange accents on a mesh bracelet.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: 8806 Master Co-Axial Movement
Posted at
May 5, 2026, 11:21 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M Black / Orange Diver 210.32.42.20.01.006 ( new / 2025 / box and papers )

Omega Seamaster 300M Black / Orange Diver 210.32.42.20.01.006 ( new / 2025 / box and papers )

Omega - 210.32.42.20.01.006 · $5,995
This Omega Seamaster 300 is a brand new 42mm stainless steel diver's watch with a black and orange dial, featuring an 8806 Master Co-Axial movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: Master Co-Axial Movement (8806)
  • Material: stainless steel
Posted at
May 5, 2026, 11:14 AM
Active
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[WTS] OMEGA Seamaster 300M Professional No-Date 🔥Excellent 2025 Full Kit

OMEGA Seamaster 300M Professional No-Date 🔥Excellent 2025 Full Kit

OMEGA - 210.32.42.20.01.003 · $5,199
This Omega Seamaster 300M Professional No-Date is a new model that was launched last year, featuring a 42mm case and 300m water resistance.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
May 3, 2026, 10:16 PM
Active
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[WTS] Uncle Seiko US1450 Bracelet (Omega Seamaster 300m)

Uncle Seiko US1450 Bracelet (Omega Seamaster 300m)

· $85
This Uncle Seiko US1450 Bracelet for SMP 300 has a double button milled clasp and comes with all links, currently sized for a 17.5 cm wrist.

  • Material: Bracelet material not specified
  • Wrist size compatibility: 17.5 cm
  • Lug width: 20mm
Posted at
May 2, 2026, 6:43 PM
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[WTS] Omega Seamaster 300m James Bond 60th Anniversary 210.30.42.20.03.002 Full Kit, 2025 $7300+ 🏷️

Omega Seamaster 300m James Bond 60th Anniversary 210.30.42.20.03.002 Full Kit, 2025 $7300+ 🏷️

Omega - 210.30.42.20.03.002 · $7,300
This Omega Seamaster 300m is a quintessential Bond Watch celebrating its 60th anniversary, featuring modern specifications and cool design elements.

  • Condition: Basically mint with a small scratch on the clasp
  • Water Resistance: 300m
  • Power Reserve: 55 hours
Posted at
May 1, 2026, 9:22 PM
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[WTS] Omega Seamaster 300M - ETNZ Special Edition - PRICED TO SELL! - $4,850 Shipped

Omega Seamaster 300M - ETNZ Special Edition - PRICED TO SELL! - $4,850 Shipped

Omega - 300M - ETNZ Special Edition · $4,850
A Omega Seamaster 300M in the ETNZ Special Edition.

  • Link: https://drive.google.com/file/d/1U4KeBBaVXhmzF2vIC_wezRddMbe586kK/view?usp=drivesdk
Posted at
May 1, 2026, 6:19 PM
Active
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[WTS] 2024 Omega Seamaster 300 Summer blue 41mm 234.30.41.21.02.002 Full Set Excellent

2024 Omega Seamaster 300 Summer blue 41mm 234.30.41.21.02.002 Full Set Excellent

Omega - 234.30.41.21.03.002 · $5,997
Part of Omega’s 75th Anniversary Summer Blue Collection, this watch features a vintage-inspired architecture with a unique varnished dial and deeper tone bezel.

  • Condition: Excellent
  • Case Diameter: 41mm
  • Collection: Summer Blue
Posted at
May 1, 2026, 2:50 PM
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