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 300 ref. 233.30.41.21.01.001 Box+Papers

OMEGA Seamaster 300 ref. 233.30.41.21.01.001 Box+Papers

2017 OMEGA Seamaster 300 in stainless steel, running at +0.6s/day. The watch has been well taken care of and includes original box and papers.

  • Condition: Pre-owned, near mint with scratches on the bracelet
  • Material: Stainless Steel
  • Year: 2017
  • Movement: co-axial
Posted at
Apr 22, 2026, 4:37 PM
Active
[WTS] Omega Seamaster 300, Ref. 233.30.41.21.01.001, $3,700

Omega Seamaster 300, Ref. 233.30.41.21.01.001, $3,700

This Omega Seamaster 300 Heritage is one of Omega's most iconic dive watches, featuring a Co-Axial Master Chronometer Cal. 8400 and anti-magnetic properties up to 15,000 gauss.

  • Condition: Excellent pre-owned condition
  • Movement: Omega Cal. 8400 (Automatic, Co-Axial Master Chronometer)
  • Case size: 41mm
  • Water resistance: None mentioned
Posted at
Apr 18, 2026, 3:48 PM
Active
[WTS] 2018 Omega Seamaster 300 Co-Axial 233.30.41.21.01.001 Full Set Excellent

2018 Omega Seamaster 300 Co-Axial 233.30.41.21.01.001 Full Set Excellent

A modern reinterpretation of the 1957 classic with vintage-inspired lume and a transparent caseback.

  • Condition: Excellent
  • Year: 2018
Posted at
Apr 14, 2026, 12:30 PM
Active
LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete

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
Posted at
Mar 31, 2025, 1:35 PM
Active
LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete

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
Posted at
Mar 25, 2025, 12:38 PM
Active
LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete

LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete

This Omega Seamaster 300 Heritage is a 41mm steel bracelet watch with a Liquidmetal Bezel, featuring an Omega Caliber 8840 self-winding movement and dated April 2017.

  • Condition: Like New
  • Movement: Omega Caliber 8840 self-winding
  • Shipping: International Fedex Express Shipping (3 Days)
  • Reference available: Multiple references available
Posted at
Mar 4, 2025, 11:47 AM
Active
OMEGA SEAMASTER 300 MASTER CHRONOMETER Black

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
Posted at
Feb 1, 2025, 12:49 PM
Active
LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete

LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete

A 2017 Omega Seamaster 300 Heritage with a 41mm steel case and liquidmetal bezel, powered by the Caliber 8840 self-winding movement.

  • Condition: Like New
  • Movement: Caliber 8840 self-winding
  • Box Papers: true
Posted at
Jan 26, 2025, 11:57 AM
Active
[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
The Omega Seamaster 300M Co-Axial Mid-size is a 36mm automatic watch with an Omega co-axial cal 2500 movement. It features a steel case on original Omega steel bracelet and has all functions working well.

  • Condition: Very good (8.9/10)
  • Case size: 36mm
  • Movement type: co-axial cal 2500
  • Bracelet length: up to 7-7.25 inch wrists
Posted at
Apr 23, 2026, 9:45 PM
Active