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

Omega Seamaster 300M - White Dial - 42mm - 210.30.42.20.04.001 ( new / 2025 )
This Omega Seamaster 300 is a brand new, complete set item featuring a 42mm stainless steel case and Master Co-Axial movement.
- Condition: Brand New
- Case size: 42mm diameter
- Movement: Master Co-Axial 8800
- Water resistance: unknown

Omega Seamaster 300 - Diver - White Dial - 210.32.42.20.04.001 ( excellent )
Up for sale is an excellent condition Omega Seamaster 300 White Wave Dial on Rubber Strap, ref # 210.32.42.20.04.001 It comes with all boxes, papers, booklets, and Omega Warranty Card dated August 2021.
- Condition: Excellent Condition / August 2021
- Case Size: 42mm
- Movement: 8800 Master Co-Axial Movement
- Material: Stainless Steel

Omega Seamaster 300M 20mm Steel Bracelet - STZ010108 ( excellent )
A stainless steel Omega Seamaster 300M bracelet, fitting 42mm Seamaster 300M watches and other 20mm Omega models.
- Condition: Excellent Condition
- Lug width: 20mm
![[WTS][US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - on Nato Strap](https://preview.redd.it/idyzu7ge6zif1.jpg?width=640&crop=smart&auto=webp&s=ddeb14e71963af0a29b98aa3e0606965e7860341)
[US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - on Nato Strap
Omega Seamaster 300 Heritage, 41mm black dial watch with Nato strap, no issues mechanically.
- Condition: Fantastic condition with minor hairlines on case
- Case size: 41mm diameter
- Strap type: Nato Strap
(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set
The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.
- Status: (SOLD)

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