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

Omega Seamaster 300M - Summer Blue - 42mm - 210.32.42.20.03.002 ( new / 2024 )
This Omega Seamaster 300M is a 42mm stainless steel watch featuring a Summer Blue dial and diver strap, complete with all original boxes, papers, and warranty card.
- Condition: Brand new
- Case size: 42mm
- Movement type: 8800 Master Co-Axial Movement

OMEGA SEAMASTER 300 MASTER CHRONOMETER Black
This Omega Seamaster 300 features a black bezel, black dial, and is water-resistant to 300m with a 60 hour power reserve. It has an in-house master coaxial movement and comes on a new style Omega bracelet with microadjustment.
- Condition: Excellent
- Movement: in-house master coaxial 8400
- Water resistance: 300m
- Power reserve: 60 hours

Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )
This Omega Seamaster 300 is a brand new timepiece with a black wave dial, featuring a 42mm stainless steel case and the Master Co-Axial Movement. It comes complete with all original boxes, papers, booklets, hang tag, and an Omega warranty card dated January 2025.
- Condition: Brand new
- Case Size: 42mm
- Movement: 8800 Master Co-Axial

Omega Seamaster 300M - Black Dial - Diver - 210.32.42.20.01.001 ( new / 2024 )
Up for sale is a brand new Omega Seamaster 300 42mm Black Wave Dial on Rubber Strap, reference # 210.32.42.20.01.001.
- Condition: Brand new
- Case material: Stainless Steel
- Movement type: Master Co-Axial
Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (2022 LIKE NEW COMPLETE)
A 42MM Omega Seamaster 300M Blue with all functions working properly and included accessories.
- Condition: Like new, worn less than a handful of times
- Box And Papers: Complete box and papers, dated May 2022
- Included Accessories: Outer sleeve, outer box, inner box, instruction manual, serialized hangtag, dust bag

Omega Seamaster 300M Bronze Gold box/Papers
This Omega Seamaster 300M features a 41mm case, automatic movement, and 9k Bronze Gold details.
- Condition: Excellent condition
- Wrist size compatibility: up to an 8 inch wrist
- Case size: 41mm
- Movement type: Automatic

LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete
A 2017 Omega Seamaster 300 Heritage with a 41mm steel case and liquidmetal bezel, powered by the Caliber 8840 self-winding movement.
- Condition: Like New
- Movement: Caliber 8840 self-winding
- Box Papers: true

LNIB Omega Seamaster 300 Pro Ceramic Titanium Rubber Strap 2022 Complete!
This Omega Seamaster 300 Professional is a master chronometer with a ceramic and titanium case, featuring a rubber strap and measuring 43.5mm in diameter.
- Condition: Like New
- Case material: Ceramic/Titanium
- Strap material: Rubber

Omega Seamaster 300 Diver 007 James Bond 60th 210.30.42.20.03.002 42MM B&P
This Omega Seamaster 300 Diver is a special edition James Bond watch, celebrating the 60th anniversary of the franchise. It features a 42MM case and comes with a range of documentation, including a Master Chronometer card.
- Condition: Excellent
- Case size: 42mm
- Water resistance: 30ATM