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 - 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

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

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

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

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

Omega Seamaster 300M Black Black - Diver - 210.92.44.20.01.003 ( mint )
This Omega Seamaster 300 is a black ceramic diver's watch with a wave dial, featuring a 43.5mm case and the Master Co-Axial movement. It comes with all original boxes and papers.
- Condition: Mint Condition
- Case material: Black Ceramic
- Movement: 8806 Master Co-Axial Movement
- Size: 43.5mm diameter

2023 Omega Seamaster 300m Ref: 210.32.42.20.10.001 Green Dial "Seaweed" w/ B+P
This 2023 Omega Seamaster 300m features a 42mm case, green ceramic bezel, and a green wave dial with Luminova markers.
- Condition: Excellent with light wear
- Case size: 42mm diameter
- Serial number: A,1XX,XXX
- Accessories: inner and outer boxes, warranty cards, card holder, receipt, booklet

LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete
A 2017 Omega Seamaster 300 Heritage in black with a 41mm steel bracelet and liquidmetal bezel, featuring the Caliber 8840 self-winding movement.
- Condition: Like New (LNIB)
- Movement caliber: 8840
- Bracelet material: steel

LNIB Omega Seamaster 300 Pro 43.5mm Ceramic Case Rubber Strap 2022 Complete
A 2022 Omega Seamaster 300 Professional diver's watch with a ceramic/titanium case and rubber strap, featuring a Master Chronometer Omega Caliber 8806.
- Condition: Like New Condition
- Case material: Ceramic/Titanium
- Case diameter: 43.5mm
- Band type: Rubber Strap