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 Heritage 41mm 234.30.41.21.01.001 - Excellent Condition

Omega Seamaster 300 Heritage 41mm 234.30.41.21.01.001 - Excellent Condition

This Omega Seamaster 300 Heritage model features a 41mm case size and is in excellent condition. The watch comes with almost full kit, including box and papers, all bracelet links, but no warranty card.

  • Condition: Excellent, with superficial scratches on clasp and bracelet
  • Case diameter: 41mm
  • Movement rating: +2 sec/day after Omega service
  • Bracelet links: All included
Posted at
Dec 1, 2025, 10:30 PM
Active
[WTS] Vintage 1966 Omega Seamaster 300 165.024 Calibre 550 Fresh Service!

Vintage 1966 Omega Seamaster 300 165.024 Calibre 550 Fresh Service!

This Omega Seamaster 300 is a vintage watch with an original bracelet and engraving on the caseback. It has been freshly serviced and comes with a 1 year warranty.

  • Condition: Decent
  • Bracelet condition: Original
  • Dial patina: Nice even
Posted at
Dec 1, 2025, 9:55 AM
Active
2022 Omega Seamaster 300M “Great White” white dial 42MM box and papers on rubber [WTS]

2022 Omega Seamaster 300M “Great White” white dial 42MM box and papers on rubber

This is a 2022 Omega Seamaster 300M 'Great White' with a white dial and 42MM case diameter.

  • Condition: good condition
  • Movement: Omega 8800
  • Power reserve: 55 hours
  • Crystal: sapphire crystal
Posted at
Nov 30, 2025, 8:26 PM
Active
[WTS]: Omega Seamaster 300M White

: Omega Seamaster 300M White

Selling a used Omega Seamaster 300M in excellent condition, purchased in 2022 but not worn much due to its size being too big for the seller's wrists. The watch is operating within METAS specs and includes all original accessories.

  • Condition: Excellent with minor scratches and desk diving marks
  • Size: 42mm diameter
  • Depth rating: 300m
  • Year purchased: 2022
Posted at
Nov 27, 2025, 11:36 PM
Active

(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.

  • Status: (SOLD)
Posted at
Apr 7, 2025, 10:22 AM
Active
Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

This Omega Seamaster 300M features a 42mm stainless steel case with a black aluminum dial and mesh bracelet, powered by the Master Co-Axial Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: 8806 Master Co-Axial
Posted at
Apr 6, 2025, 4:26 PM
Active
Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )

This Omega Seamaster 300M 42mm features a Summer Blue dial on a stainless steel bracelet, powered by the Master Co-Axial movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement type: Master Co-Axial
Posted at
Apr 4, 2025, 2:51 PM
Active
Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

A black ceramic and 18K gold Omega Seamaster 300M with a wave dial, measuring 43.5mm in diameter.

  • Condition: Very Good (VG)
  • Case size: 43.5mm
  • Material: Black Ceramic and 18K Gold
Posted at
Apr 4, 2025, 12:18 PM
Active