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.
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MSRP: $12,600
Market Price: $5,903

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

[WTS] 2023 Omega Seamaster 300 Summer blue 41mm 234.30.41.21.02.002 Full Set Excellent

2023 Omega Seamaster 300 Summer blue 41mm 234.30.41.21.02.002 Full Set Excellent

Omega - 234.30.41.21.03.002 $5,950
The Omega Seamaster 300 is part of the Summer Blue Collection, a unique version with a varnished dial and deeper tone bezel.

  • Condition: Excellent
  • Size: 41mm diameter
  • Year: 2023
Posted at
Jan 28, 2026, 1:11 PM
Active
[WTS] Omega Seamaster 300M Co-Axial 2220.80 B&P 41mm- $2,850

Omega Seamaster 300M Co-Axial 2220.80 B&P 41mm- $2,850

Omega - 2220.80 $2,850
Up for sale is my Omega Seamaster 2220.80, a 41mm automatic co-axial cal 2500 movement watch with a steel case and original Omega steel bracelet.

  • Condition: 8.7/10, great condition with minimal marks/hairlines on case, caseback, and bracelet
  • Case size: 41mm diameter
  • Movement: co-axial cal 2500
  • Water resistance: not specified
Posted at
Jan 26, 2026, 9:04 PM
Active
[WTS] omega seamaster 300 166.024 | watch only | serviced | $7200 shipped

omega seamaster 300 166.024 | watch only | serviced | $7200 shipped

Omega - 300 166.024 $7,200
This is a great example of Seamaster 166.024 with a thick case and original crystal.

  • Condition: Pre-owned, serviced
  • Case condition: worn but thick
  • Shipping: shipped from NYC
Posted at
Jan 26, 2026, 4:04 PM
Active
[WTS] Omega Seamaster 300m Nekton Edition | Full Kit | Dec 2024 | Original Owner

Omega Seamaster 300m Nekton Edition | Full Kit | Dec 2024 | Original Owner

Omega - 300M Nekton Edition $4,500
A Omega Seamaster 300M Nekton Edition is being sold by the original owner due to a change in wrist size. The watch comes with its full kit and has plenty of warranty left.

  • Condition: Full Kit, original owner, with warranty and accessories
  • Warranty Remaining: approximately 2 years
  • Located: New York City
Posted at
Jan 26, 2026, 11:41 AM
Active
[WTS] Omega Seamaster 300m 41mm Full Size 2531.80 - FRESHLY OVERHAULED BY OMEGA 馃Ъ ($1K service, many parts replaced) - Full Kit - 2 year Omega warranty - $3700 firm shipped CONUS

Omega Seamaster 300m 41mm Full Size 2531.80 - FRESHLY OVERHAULED BY OMEGA 馃Ъ ($1K service, many parts replaced) - Full Kit - 2 year Omega warranty - $3700 firm shipped CONUS

Omega - 2531.80 $3,700
This Omega Seamaster 300m is a full-size watch with a 41mm case, featuring a freshly overhauled movement and various parts replaced by Omega. It comes with a 2-year warranty and is in incredible condition.

  • Condition: Pre-owned, like new with minor desk dive scuffs on clasp
  • Warranty Years: 2
  • Service Cost: $1,000
  • Bracelet Condition: All pins replaced
Posted at
Jan 23, 2026, 4:00 PM
Active
[WTS] Omega Seamaster 300M VINTAGE (Ref 168.1503)

Omega Seamaster 300M VINTAGE (Ref 168.1503)

Omega - 168.1503 $2,500
This vintage Omega Seamaster 300M is a numbers matching all ordinal watch from around 1984. It's being sold as a head only unit without a strap.

  • Condition: Super clean, runs well
  • Case size: 42mm diameter
  • Serial matching: numbers matching
Posted at
Jan 23, 2026, 3:22 PM
Active
[WTS] Omega Seamaster 300 Steel Pumpkin Patina Lollipop Hand (Unpolished/Serviced)

Omega Seamaster 300 Steel Pumpkin Patina Lollipop Hand (Unpolished/Serviced)

Additional details not available.

  • Condition: Unpolished/Serviced
Posted at
Jan 21, 2026, 8:59 PM
Active
[WTS] Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega - 234.30.41.21.01.001 $6,845
The Omega Seamaster 300 Heritage is a vintage-inspired dive watch with a timeless design, featuring a black dial, broad arrow hands, and warm toned lume.

  • Condition: Excellent
  • Case material: steel
  • Bracelet type: matching
  • Box set included: true
Posted at
Jan 21, 2026, 3:02 PM
Active
[WTS] Omega Seamaster 300M Co-Axial 41mm 2220.80 Full Kit, + spare clean OEM Bezel Insert - $2,890

Omega Seamaster 300M Co-Axial 41mm 2220.80 Full Kit, + spare clean OEM Bezel Insert - $2,890

Omega - 2220.80 $2,890
Up for sale is my Omega Seamaster 2220.80, featuring an automatic co-axial cal 2500 movement and measuring at 41mm.

  • Condition: 8.8/10 - great condition with minimal marks/hairlines
  • Case size: 41mm diameter
  • Bezel insert condition: scratches/fading, has a spare clean OEM bezel insert (9.5/10)
  • Movement: automatic co-axial cal 2500
Posted at
Jan 20, 2026, 8:42 PM
Active