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

Reference 233.20.41.21.01.002

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

About this watch

The Omega Seamaster 300 Master Co-Axial is a masterpiece of engineering and design, combining elegance with ruggedness. This timepiece boasts a stunning yellow gold and stainless steel combination, with a sleek black dial featuring stick and dot indexes for enhanced readability. The rotating bezel marked from 0 to 60 adds functionality, making it perfect for diving enthusiasts. At its heart lies the Omega caliber 8400 movement, boasting a self-winding mechanism, Co-Axial escapement, and resistance to magnetic fields greater than 15,000 gauss. With a power reserve of 60 hours and operating at 25,200 vibrations per hour, this movement is incredibly robust and designed for longevity. The watch features a sapphire crystal glass, ensuring durability and scratch-resistance. Weighing in with a comfortable heft, the Seamaster 300 feels substantial without being cumbersome. Its luxurious feel against the skin makes it perfect for both formal and casual occasions.

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MSRP: $12,600

Market Price: $6,557

Key Features

Omega caliber 8400 movement
Sapphire crystal glass
Water resistance: 300 meters
Stainless Steel and Yellow Gold case
41.00 mm diameter
Co-Axial escapement
Magnetic field resistance >15,000 gauss

Specifications

Brand

Omega

Family

Seamaster 300

Model

Seamaster 300 Master Co-Axial Stainless Steel / Yellow Gold / Black / Bracelet

Reference

233.20.41.21.01.002

Movement

8400

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

41mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

Omega Seamaster 300 Automatic Vintage Diver

Omega - Seamaster 300

This Omega Seamaster 300 is a vintage automatic diver's watch. It is running at the time of posting and is being sold as a vintage piece.

Condition: Vintage, sold as-is
Movement: Automatic
Shipping: Worldwide

Posted at

Jan 20, 2026, 3:02 AM

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Omega Seamaster 300 Heritage Blue - Full Set + Extra Straps - $5,500

Omega - 234.30.41.21.03.001 · $5,500

This Omega Seamaster 300 Heritage Blue comes as a full set dated 2024, with two extra straps and is running as expected for a year-old watch.

Condition: Pre-owned with small scratches on high-polish surfaces
Case Size: 41mm diameter
Bracelet Size: ~6.5" wrist
Year: 2024

Posted at

Jan 19, 2026, 3:09 PM

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Omega Seamaster 300 – Ref. 210.30.42.20.01.001 – 2019 – Full Set - $4099

Omega - 210.30.42.20.01.001 · $4,099

This is a 2019 Omega Seamaster 300, one of the most popular modern dive watches, featuring an iconic design and Master Chronometer performance.

Condition: Used with honest wear, could benefit from a light polish to look like new
Case size: 42mm diameter
Water resistance: 300m depth rating

Posted at

Jan 18, 2026, 6:43 PM

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2023 OMEGA Seamaster 300 234.30.41.21.03.002 Summer Blue Full Set

OMEGA - 234.30.41.21.03.002 · $5,299

This 2023 Omega Seamaster 300 Summer Blue has been inspected mechanically and comes as a full set, including outer and inner boxes, travel pouch, warranty card, pictograms card, and master chronometer card.

Condition: Pre-owned, some wear marks
Year Purchased: 2023
Shipping Method: FedEx overnight

Posted at

Jan 17, 2026, 3:51 PM

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Omega Seamaster 300 Co-Axial Master Chronometer 41 mm (Ref. 234.30.41.21.01.001) — $4,600 shipped CONUS

Omega - 234.30.41.21.01.001 · $4,600

This Omega Seamaster 300 Co-Axial Master Chronometer features a 41mm stainless steel case, black 'sandwich' dial, and ceramic bezel. It has been METAS certified and comes in excellent working condition.

Condition: Excellent overall condition, with one small scuff on the side of the case
Case size: 41 mm
Dial color: Black
Water resistance: 300m

Posted at

Jan 16, 2026, 11:15 AM

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Omega Seamaster 300M - "No Time To Die" - 42mm

Omega - 210.90.42.20.01.001 · $6,700

This Omega Seamaster Diver 300M features a lightweight 42mm titanium case, matte black tropical aluminum dial and bezel, and vintage-inspired details throughout.

Condition: Very good overall
Case size: 42mm diameter
Case material: Titanium
Movement type: Co-Axial Master Chronometer Calibre 8806

Posted at

Jan 15, 2026, 6:42 PM

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