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 Peter Blake 41mm Quartz 2264.50

Omega Seamaster 300m Peter Blake 41mm Quartz 2264.50

Omega - 2264.50 · $2,399
This Omega Seamaster 300m Peter Blake is a quartz-powered timepiece featuring a 41mm case and a 7" bracelet.

  • Condition: like new/fresh polish
  • Bracelet length: 7 inches
Posted at
Feb 12, 2026, 4:21 PM
Active
[WTS] Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,790

Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,790

Omega - 2220.80 · $2,790
This Omega Seamaster 300M Co-Axial is a 41mm automatic watch featuring an co-axial cal 2500 movement.

  • Condition: Very good condition, minimal marks/hairlines
  • Movement: co-axial cal 2500
  • Bracelet size: fits up to 7-7.25 inch wrists depending on wrist shape
  • Water resistance: not specified
Posted at
Feb 11, 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

The Omega Seamaster 300 Heritage has a black dial with rich, glossy depth and broad arrow hands, paired with a steel case and matching bracelet for a solid, balanced look.

  • Condition: Excellent
  • Included Accessories: outer box, inner box, operating instructions, extra strap, card holder, warranty card, master chronometer card and pictograms card
  • Shipping Method: free overnight CONUS insured shipping
Posted at
Feb 11, 2026, 2:56 PM
Active
[WTS] Omega Seamaster 300M Co-Axial 2220.80 B&P 41mm- $2,790

Omega Seamaster 300M Co-Axial 2220.80 B&P 41mm- $2,790

Omega - 2220.80 · $2,790
The Omega Seamaster 300M Co-Axial is a 41mm automatic watch featuring an co-axial cal 2500 movement, steel case, and original Omega steel bracelet.

  • Condition: 8.7/10 - minimal marks and hairlines on case, caseback, and bracelet
  • Movement: cal 2500
  • Bracelet size: up to 7-7.25 inch wrists depending on wrist shape
  • Shipping method: Fedex Priority Shipping
Posted at
Feb 9, 2026, 8:42 PM
Active
[WTS] Omega Seamaster 300m Chronograph 44mm 212.30.44.50.03.001

Omega Seamaster 300m Chronograph 44mm 212.30.44.50.03.001

This Omega Seamaster 300m Chronograph is a 44mm automatic watch, featuring a fresh polish and 7.25" bracelet.

  • Condition: Fresh polish
  • Bracelet length: 7.25"
  • Payment methods: Zelle, Venmo, or Western Union
Posted at
Feb 9, 2026, 7:07 PM
Active
[WTS] Omega Seamaster 300 Heritage

Omega Seamaster 300 Heritage

A one-owner Omega Seamaster 300 Heritage, purchased from the Omega Beverly Center in 2021. The watch has never been polished and is in excellent condition.

  • Condition: like new
  • Owner history: 1 owner
  • Purchase date: 9/3/21
  • Original purchase location: Omega Beverly Center
Posted at
Feb 8, 2026, 4:13 PM
Active
[WTS] 1967 Omega Seamaster 300, Ref 165.024, Full Set

1967 Omega Seamaster 300, Ref 165.024, Full Set

Omega - 165.024 · $8,000
This is possibly the finest available vintage Omega Seamaster 300 from the mid-1960s, featuring a Bakelite dial with one flea bite and an upgraded original box.

  • Condition: Very Good to Excellent Condition
  • Case material: Stainless Steel
  • Movement type: Automatic
  • Diameter: 41mm
Posted at
Feb 7, 2026, 11:50 AM
Active
[WTS] 2011 Omega Seamaster 300M 2123.04 - $2,399

2011 Omega Seamaster 300M 2123.04 - $2,399

Omega - 2123.04 · $2,399
A 2011 Omega Seamaster Diver 300M Quartz with a stainless steel case, black dial, and quartz movement. It features a domed sapphire crystal and is water-resistant up to 1000 feet.

  • Condition: Great condition overall with light wear consistent with careful use.
  • Case diameter: 41mm
  • Case material: Stainless steel
  • Dial color: Black
Posted at
Feb 5, 2026, 10:33 PM
Active
[WTS] Omega Seamaster 300 2220.80 “Casino Royale”Box and Papers

Omega Seamaster 300 2220.80 “Casino Royale”Box and Papers

Omega - 2220.80 · $3,600
A Omega Seamaster Professional from 'Casino Royale' with a stainless steel bracelet and original accessories.

  • Condition: Good condition with scuffing on bracelet and superficial wear
  • Bracelet length: 6.5 inches
  • Links included: 3 full and 2 half sized links
  • Timekeeping accuracy: -7 seconds per day
Posted at
Feb 4, 2026, 12:48 PM
Active