Omega Seamaster 300 Seamaster 300 Master Co-Axial Stainless Steel / Yellow Gold / Black / Bracelet
Reference 233.20.41.21.01.002
About this watch
The Omega Seamaster 300 Master Co-Axial is a masterpiece of engineering and design, combining elegance with ruggedness. This timepiece boasts a stunning yellow gold and stainless steel combination, with a sleek black dial featuring stick and dot indexes for enhanced readability. The rotating bezel marked from 0 to 60 adds functionality, making it perfect for diving enthusiasts. At its heart lies the Omega caliber 8400 movement, boasting a self-winding mechanism, Co-Axial escapement, and resistance to magnetic fields greater than 15,000 gauss. With a power reserve of 60 hours and operating at 25,200 vibrations per hour, this movement is incredibly robust and designed for longevity. The watch features a sapphire crystal glass, ensuring durability and scratch-resistance. Weighing in with a comfortable heft, the Seamaster 300 feels substantial without being cumbersome. Its luxurious feel against the skin makes it perfect for both formal and casual occasions.
Key Features
- Omega caliber 8400 movement
- Sapphire crystal glass
- Water resistance: 300 meters
- Stainless Steel and Yellow Gold case
- 41.00 mm diameter
- Co-Axial escapement
- Magnetic field resistance >15,000 gauss
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Co-Axial Stainless Steel / Yellow Gold / Black / Bracelet
- Reference
- 233.20.41.21.01.002
- Movement
- 8400
- Movement Features
-
- Hours, Minutes, Seconds
- Chronometer, Co-Axial Escapement
- Case
- 41mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Omega SeaMaster 300M - Full set](https://external-preview.redd.it/yKreexazo_Q4IGCyicLPenQTmwgGE7cp4ynTtFYLoKI.jpeg?auto=webp&s=3ecf469cae3490ab059792af8ac58b3564e53196)
Omega SeaMaster 300M - Full set
This Omega SeaMaster 300M Diver is a 2024 model, featuring an automatic movement and a steel case.
- Condition: Like new & unworn
- Movement type: Automatic
- Case material: Steel
- Bracelet material: Rubber

Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )
This is a brand new Omega Seamaster 300 with a 42mm stainless steel case, black dial, and bezel on a bracelet.
- Condition: Brand new
- Movement: 8800 Master Co-Axial
- Case size: 42mm
- Shipping options: [object Object]

Omega Seamaster 300M - White Dial - 42mm - 210.30.42.20.04.001 ( new / 2024 )
This Omega Seamaster 300 is a brand new, complete set watch with all boxes, papers, booklets, and hang tag, featuring a Master Chronometer 8800 movement.
- Condition: Brand new
- Case material: Stainless Steel
- Case diameter: 42mm
- Movement: 8800 Master Co-Axial Movement
![[WTS][US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 234.30.41.21.01.001 - Full Set](https://preview.redd.it/8jb348xny5ze1.jpg?width=640&crop=smart&auto=webp&s=8798b2de2787d383996915692fea8c1bebda294a)
[US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 234.30.41.21.01.001 - Full Set
This Omega Seamaster 300 Heritage is a 41mm watch with a black dial, featuring mechanical functions without issue.
- Condition: Fantastic with minor hairlines
- Case size: 41mm

Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )
This is a brand new Omega Seamaster 300 with a 42mm stainless steel case and black dial.
- Condition: Brand New
- Case Size: 42mm diameter
- Movement: 8800 Master Co-Axial Movement
![[WTS] Omega Seamaster 300m Rubber Straps - NEW IN BOX](https://preview.redd.it/d40nop49ouye1.jpeg?auto=webp&s=690443539a9fea7c1aa0f4d7cb662d3686f14c6e)
Omega Seamaster 300m Rubber Straps - NEW IN BOX
A bundle of four new Omega Seamaster 300m rubber straps, including black and red Paris edition with QR codes. The straps are minty condition, with receipts provided except for the black one which was previously worn.
- Condition: Excellent
- Buckle price: $144
- Color options: Black,Red (Paris edition w/ QR),Green,Blue (Paris edition w/ QR)
![[WTS] Omega Seamaster 300M Titanium Chronograph 2298.80](https://preview.redd.it/azwcw0jtbsye1.jpg?width=640&crop=smart&auto=webp&s=9760edcd2c59d76a0636956b664a5014f24853b0)
Omega Seamaster 300M Titanium Chronograph 2298.80
The Omega Seamaster 300M chronograph features a titanium construction, tritium dial with orange accents, and is powered by the reliable 7750 movement.
- Size: 42mm diameter
- Material: titanium
- Water resistance: 200m depth rating
![[WTS] Omega Seamaster 300m Chronograph 2225.80](https://preview.redd.it/8qw2vj85yrye1.jpeg?auto=webp&s=f3aac9840c4becb4df0da52e8c6b1f2ac47a73cb)
Omega Seamaster 300m Chronograph 2225.80
This is a Omega Seamaster 300m Chronograph with a 41.5mm case and a 7.25" bracelet, featuring lume on the top of the bezel that has been redone.
- Bracelet length: 7.25"
- Case size: 41.5mm
- Bezel lume condition: redone
![[WTS] 1969 Omega Seamaster 300 (Ref. 165.024) Omega Refurbished!](https://preview.redd.it/kqcbdc21mnye1.jpeg?auto=webp&s=41e10afe1069eb4b83985794eafa67fd22f1e2ef)
1969 Omega Seamaster 300 (Ref. 165.024) Omega Refurbished!
This 1969 Omega Seamaster 300 has a matte dial and aged hands. The case was refurbished at Omega and shows original lines perfectly.
- Condition: very good
- Case Material: not specified
- Calibre: 550
- Year Produced: 1969