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

2022 Omega Heritage Seamaster 300, Blue Dial (Full Set) Warranty Through 7/7/2027

2022 Omega Heritage Seamaster 300, Blue Dial (Full Set) Warranty Through 7/7/2027

This Omega Heritage Seamaster 300 features a stunning blue sandwich dial with vintage Super-LumiNova indices and rhodium-plated hands. The watch is in excellent condition, with minor superficial signs of use on the bracelet.

  • Condition: Excellent
  • Case material: 316L Stainless Steel
  • Bezel material: Oxalic Acid Anodized Aluminium
  • Water resistance: 300m
Posted at
Mar 29, 2025, 5:55 PM
Active
2023 Omega Seamaster 300m Ref: 210.32.42.20.10.001 Green Dial "Seaweed" w​/​ B+P

2023 Omega Seamaster 300m Ref: 210.32.42.20.10.001 Green Dial "Seaweed" w​/​ B+P

2023 Omega Seamaster 300m Ref: 210.32.42.20.10.001 Green Dial 'Seaweed' is a 42mm dive watch with excellent condition green ceramic bezel and Luminova markers.

  • Condition: Excellent with minor wear
  • Case size: 42mm
  • Serial number: A,1XX,XXX
  • Accessories included: inner and outer boxes, warranty cards, card holder, receipt, booklet
Posted at
Mar 26, 2025, 7:19 PM
Active
Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 (excellent / complete)

Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 (excellent / complete)

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

  • Condition: Excellent / Complete Set
  • Case size: 42mm diameter
  • Movement type: Master Co-Axial
Posted at
Mar 25, 2025, 3:13 PM
Active
LNIB Omega Seamaster 300 Pro 43.5mm Ceramic Case Rubber Strap 2022 Complete

LNIB Omega Seamaster 300 Pro 43.5mm Ceramic Case Rubber Strap 2022 Complete

2022 Omega Seamaster 300 Professional with ceramic/titanium case, rubber strap, and Master Chronometer Caliber 8806 movement.

  • Condition: Like New Condition
  • Case Material: Ceramic/Titanium
  • Case Size: 43.5mm diameter
Posted at
Mar 25, 2025, 12:40 PM
Active
LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete

LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete

This Omega Seamaster 300 Heritage features a 41mm steel case, Liquidmetal bezel, and self-winding movement. It comes with a full set of accessories, including manuals and certificates.

  • Condition: Like New In Box (LNIB)
  • Movement: Caliber 8840
  • Bracelet size: Steel bracelet
Posted at
Mar 25, 2025, 12:38 PM
Active
Omega Seamaster 300M - Black Aluminum - 210.32.42.20.01.003 ( new / 2025 )

Omega Seamaster 300M - Black Aluminum - 210.32.42.20.01.003 ( new / 2025 )

This Omega Seamaster 300 is a brand new watch featuring a 42mm stainless steel case and black aluminum dial.

  • Condition: Brand new
  • Case Size: 42mm diameter
  • Movement: 8806 Master Co-Axial Movement
Posted at
Mar 7, 2025, 3:14 PM
Active
Omega Seamaster 300 Heritage - Blue - 234.30.41.21.03.001 ( new / 2024 )

Omega Seamaster 300 Heritage - Blue - 234.30.41.21.03.001 ( new / 2024 )

This Omega Seamaster 300 Heritage is a brand new 41mm stainless steel watch with a blue dial, accompanied by all original boxes, papers, and warranty card.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement: 8912 Master Co-Axial
Posted at
Mar 6, 2025, 3:44 PM
Active
Omega Seamaster 300 Heritage - Blue - 234.30.41.21.03.001 ( excellent )

Omega Seamaster 300 Heritage - Blue - 234.30.41.21.03.001 ( excellent )

Up for sale is an excellent condition Omega Seamaster 300 Heritage 41mm Blue Dial reference # 234.30.41.21.03.001 It comes complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated January 2023.

  • Condition: Excellent
  • Case size: 41mm
  • Movement: Master Co-Axial Movement
Posted at
Mar 5, 2025, 3:47 PM
Active
LNIB Omega Seamaster 300 Pro 43.5mm Ceramic Case Rubber Strap 2022 Complete!

LNIB Omega Seamaster 300 Pro 43.5mm Ceramic Case Rubber Strap 2022 Complete!

A 2022 Omega Seamaster 300 Professional with a ceramic/titanium case and rubber strap, featuring the Master Chronometer Omega Caliber 8806.

  • Condition: Like New In Box (LNIB)
  • Case material: Ceramic/Titanium
  • Strap material: Rubber
Posted at
Mar 4, 2025, 11:51 AM
Active