Omega Seamaster 300 Seamaster 300 Master Co-Axial Stainless Steel / Sedna Gold / Black / Bracelet
Reference 233.20.41.21.01.001
About this watch
The Omega Seamaster 300 Master Co-Axial is a masterpiece that combines elegance, craftsmanship, and functionality. This stunning watch blends rich history with contemporary innovation, featuring a black dial beautifully complemented by Sedna gold accents. The stainless steel case measures 41mm in diameter, striking a balance between presence and wearability. The rotating bezel allows divers to track elapsed time underwater, while the Omega caliber 8400 movement provides greater precision, stability, and durability. With a power reserve of 60 hours and a frequency of 25,200 beats per hour, this watch ensures reliable timekeeping. Its impressive water resistance of up to 300 meters makes it perfect for serious divers and water sports enthusiasts. The black dial features stick and dot indexes coated with luminescent material, ensuring easy reading in low-light conditions. Omega's exceptional craftsmanship is evident in every detail, from the polished finishes to the intricate movement. This watch offers significant value, combining style, function, and brand prestige. Whether you're a diver, collector, or luxury item enthusiast, this timepiece is undoubtedly for you.
Key Features
- Omega caliber 8400 movement
- Stainless steel case with Sedna gold accents
- Rotating bezel for elapsed time tracking
- Water resistance up to 300 meters
- Chronometer rating for reliable timekeeping
- Luminescent indexes for easy reading in low-light conditions
- Exceptional craftsmanship and attention to detail
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Co-Axial Stainless Steel / Sedna Gold / Black / Bracelet
- Reference
- 233.20.41.21.01.001
- Movement
- 8400
- Movement Features
-
- Hours, Minutes, Seconds
- Chronometer, Co-Axial Escapement
- Case
- 41mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
2022 Omega Heritage Seamaster 300, Blue Dial (Full Set)
This Omega Heritage Seamaster 300 features a stunning blue sandwich dial and a rhodium-plated movement showcased through a sapphire caseback.
- Condition: Excellent, with minor superficial signs of use on the bracelet
- Movement: Omega Co-Axial Master Chronometer Calibre 8912, self-winding, METAS-certified chronometer
- Bezel material: Oxalic Acid Anodized Aluminium
- Depth rating: 300m water resistance

Omega Seamaster 300M SS 42MM Diver Summer Blue Wave Dial 210.30.42.20.03.003 B
Up for sale is an Omega Seamaster 300M SS 42MM Diver Summer Blue Wave Dial, in excellent condition. The timepiece includes various accessories such as the inner and outer box, booklet, serial hang tag, pictogram card, master chronometer card, and international Omega warranty card.
- Condition: Excellent
- Case Size: 42mm
- Material: Stainless Steel

OMEGA Seamaster 300m Chronometer 2551.80 36mm Medium Size Automatic watch
This is a 36mm medium size Omega Seamaster 300m Chronometer, an automatic watch that is functioning fine but could benefit from a light polish.
- Condition: Pre-owned, needs polish and potential service
- Size: 36mm diameter
🎯Omega Seamaster 300M Bond 007 �NTTD�, Full Kit 210.92.42.20.01.001 🎯
This Omega Seamaster 300M Bond 007 watch comes with a NATO strap and is in great condition, making it one of the cleanest 2024 NTTD models available. The timepiece includes outer and inner boxes, warranty card, jeweler warranty, and manual.
- Condition: Great condition, no major blemishes
- Case Diameter: 42mm
- Water Resistance: 30 ATM
- Movement: Automatic 8806

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )
This Omega Seamaster 300M 42mm Summer Blue Dial is a brand new watch with all original boxes, papers, and accessories.
- Condition: Brand new
- Case material: Stainless steel
- Movement: 8800 Master Co-Axial

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