Omega Seamaster 300 Seamaster 300 Master Co-Axial Stainless Steel / Black / Bracelet

Reference 233.30.41.21.01.001

About this watch

The Omega Seamaster 300 Master Co-Axial is a masterpiece that blends luxury with functionality. Its stunning design, robust movement, and impressive features make it a worthy investment for anyone looking to own a piece of horological history. With a water resistance of 300 meters, it’s designed for serious diving activities, while its comfortable fit and stylish design make it suitable for everyday wear. The watch features a 41mm round stainless steel case, black dial with stick and dot indexes, and a rotating bezel with a 0-60 scale. Protected by a sapphire crystal, the watch is resistant to scratches. At the heart of the Seamaster 300 is the Omega caliber 8400 movement, which incorporates the Co-Axial escapement for enhanced precision and stability.
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MSRP: $6,800
Market Price: $3,630

Key Features

  • 41mm round stainless steel case
  • Black dial with stick and dot indexes
  • Rotating bezel with 0-60 scale
  • Sapphire crystal protection
  • Omega caliber 8400 movement
  • Co-Axial escapement for precision and stability
  • 300m water resistance

Specifications

Brand
Omega
Family
Seamaster 300
Model
Seamaster 300 Master Co-Axial Stainless Steel / Black / Bracelet
Reference
233.30.41.21.01.001
Movement
8400
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega - 2222.80 · $2,190
Up for sale is my Omega Seamaster 2222.80, a mid-size watch measuring at 36mm with an automatic co-axial cal 2500 movement.

  • Condition: Very good, with minimal marks/hairlines on the case, caseback, and bracelet.
  • Case size: 36mm
  • Movement type: automatic, co-axial cal 2500
  • Bracelet length: fits up to 7-7.25 inch wrists
Posted at
Apr 21, 2026, 4:18 AM
Active
[WTS] Omega Seamaster 300  |  Reference 2220.80  |  James Bond 007 "Casino Royale"

Omega Seamaster 300 | Reference 2220.80 | James Bond 007 "Casino Royale"

The Omega Seamaster 300 is a tribute to the James Bond 'Casino Royale' movie, with its sleek design and rich history making it a highly sought-after timepiece among collectors.

Posted at
Apr 20, 2026, 3:06 PM
Active
[WTS] Uncle Seiko US1450 Bracelet (Omega Seamaster 300m)

Uncle Seiko US1450 Bracelet (Omega Seamaster 300m)

· $85
A Uncle Seiko US1450 Bracelet designed for the Omega Seamaster 300m, available with all links and a double button milled clasp.

  • Lug size: 20mm
  • Wrist size: 17.5 cm
Posted at
Apr 20, 2026, 1:16 PM
Active
[WTS] Omega Seamaster 300M Black Black Diver 210.92.44.20.01.003 ( unworn / 2025 / box and papers )

Omega Seamaster 300M Black Black Diver 210.92.44.20.01.003 ( unworn / 2025 / box and papers )

This Omega Seamaster 300M 'Black Black' features a black ceramic case, 8806 Master Co-Axial movement and comes with all original boxes, papers and warranty card.

  • Condition: unworn
  • Case size: 43.5mm diameter
  • Movement: 8806 Master Co-Axial Movement
Posted at
Apr 20, 2026, 11:48 AM
Active
[WTS] Omega Seamaster 300 White 42mm 210.32.42.20.04.001 ( excellent / 2025 / box and papers )

Omega Seamaster 300 White 42mm 210.32.42.20.04.001 ( excellent / 2025 / box and papers )

A white wave dial Omega Seamaster 300 on a rubber strap, with all boxes and papers included.

  • Condition: Excellent Condition
  • Case size: 42mm diameter
  • Movement type: 8800 Master Co-Axial Movement
Posted at
Apr 20, 2026, 11:43 AM
Active
[WTS] Omega Seamaster 300 Heritage - Full Set

Omega Seamaster 300 Heritage - Full Set

This Omega Seamaster 300 Heritage features a black dial, stainless steel case, and a black oxalic anodized aluminum bezel with vintage Super-LumiNova diving scale. It is presented on a stainless steel bracelet and powered by the OMEGA Co-Axial Master Chronometer Calibre 8912.

  • Condition: Excellent
  • Bracelet material: stainless steel
  • Bezel material: black oxalic anodized aluminum
  • Case size: 41mm
Posted at
Apr 19, 2026, 7:01 PM
Active
[WTS] Brand New 2026 Omega Seamaster 300M “James Bond 60th Anniversary” – Full Set Ref: 210.30.42.20.03.002 $7,500

Brand New 2026 Omega Seamaster 300M “James Bond 60th Anniversary” – Full Set Ref: 210.30.42.20.03.002 $7,500

The Omega Seamaster 300M 'James Bond 60th Anniversary' is a limited-edition tribute to GoldenEye with unique vintage cues and a standout caseback. It features a stainless steel mesh-style bracelet, no-date configuration, and Co-Axial Master Chronometer Calibre 8806.

  • Condition: Brand New / Unworn / Fully Stickered
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
Apr 18, 2026, 10:37 PM
Active
[WTS] 2023 Mint Full Set Omega Seamaster 300 Heritage 234.30.41.21.01.001 $5600

2023 Mint Full Set Omega Seamaster 300 Heritage 234.30.41.21.01.001 $5600

The Omega Seamaster 300 Heritage is a 41mm stainless steel watch designed for divers and professionals, featuring a black dial and bezel with vintage-style hour markers and diving scale.

  • Condition: Mint
  • Case size: 41mm
  • Water resistance: 30m
Posted at
Apr 18, 2026, 2:15 PM
Active
[WTS] Omega Seamaster 300 Blue 41mm 234.30.41.21.03.001 – Excellent Condition – Full Set – 2023

Omega Seamaster 300 Blue 41mm 234.30.41.21.03.001 – Excellent Condition – Full Set – 2023

This is a modern Omega Seamaster 300 with a blue sandwich dial and matching ceramic bezel, powered by the Master Co-Axial Caliber 8912.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Movement: Master Co-Axial Caliber 8912
Posted at
Apr 17, 2026, 10:24 PM
Active