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

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
2022 Omega Heritage Seamaster 300, Blue Dial (Full Set) Warranty Through 7/7/2027
This Omega Heritage Seamaster 300 features a stunning blue sandwich dial with vintage Super-LumiNova indices and rhodium-plated hands. The watch is in excellent condition, with minor superficial signs of use on the bracelet.
- Condition: Excellent
- Case material: 316L Stainless Steel
- Bezel material: Oxalic Acid Anodized Aluminium
- Water resistance: 300m

2023 Omega Seamaster 300m Ref: 210.32.42.20.10.001 Green Dial "Seaweed" w/ B+P
2023 Omega Seamaster 300m Ref: 210.32.42.20.10.001 Green Dial 'Seaweed' is a 42mm dive watch with excellent condition green ceramic bezel and Luminova markers.
- Condition: Excellent with minor wear
- Case size: 42mm
- Serial number: A,1XX,XXX
- Accessories included: inner and outer boxes, warranty cards, card holder, receipt, booklet

Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 (excellent / complete)
This Omega Seamaster 300M features a 42mm stainless steel case with a blue dial and bezel, powered by the Master Co-Axial Movement.
- Condition: Excellent / Complete Set
- Case size: 42mm diameter
- Movement type: Master Co-Axial

LNIB Omega Seamaster 300 Pro 43.5mm Ceramic Case Rubber Strap 2022 Complete
2022 Omega Seamaster 300 Professional with ceramic/titanium case, rubber strap, and Master Chronometer Caliber 8806 movement.
- Condition: Like New Condition
- Case Material: Ceramic/Titanium
- Case Size: 43.5mm diameter

LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete
This Omega Seamaster 300 Heritage features a 41mm steel case, Liquidmetal bezel, and self-winding movement. It comes with a full set of accessories, including manuals and certificates.
- Condition: Like New In Box (LNIB)
- Movement: Caliber 8840
- Bracelet size: Steel bracelet