Omega Seamaster 300 Seamaster 300 Co-Axial Master Chronometer Yellow Gold / Malachite

Reference 234.63.41.21.99.001

Omega Seamaster 300 Co-Axial Master Chronometer Yellow Gold / Malachite

About this watch

The Omega Seamaster 300 Co-Axial Master Chronometer in Yellow Gold and Malachite is a masterpiece of horology, combining luxurious materials, precision engineering, and stunning design. At its heart is the automatic Omega caliber 8913 movement, boasting a chronometer rating, 60-hour power reserve, and 25,200 vibrations per hour for unparalleled accuracy. The watch features a striking yellow gold case and Malachite dial, with arrow-shaped hands providing both style and clarity. With its impressive water resistance of 300 meters, this timepiece is perfect for divers and luxury watch collectors alike. Whether you're exploring coral reefs or attending a gala, the Omega Seamaster 300 ensures you're always on time and in style.

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Key Features

Automatic Omega caliber 8913 movement
Chronometer-rated accuracy
60-hour power reserve
Yellow gold case with Malachite dial
Rotating bezel for timing dives or activities
Water resistance of 300 meters
Sapphire glass protection against scratches and impacts

Specifications

Brand

Omega

Family

Seamaster 300

Model

Seamaster 300 Co-Axial Master Chronometer Yellow Gold / Malachite

Reference

234.63.41.21.99.001

Movement

8913

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

Yellow Gold 41mm

Dial Color

Green

Crystal

Sapphire

Water Resistance

300

Current Listings

Uncle Straps US1479 Bracelet (Omega Seamaster 300m) 42mm

Omega - 300M 42mm, 210.30.42.xx, 210.32.42.xx · $80

A used Uncle Straps US1479 bracelet designed for the Omega Seamaster Pro 300M 42mm. The watch was sold and this strap is no longer needed.

Condition: Used
Water Resistance: 300m depth rating

Posted at

Dec 21, 2025, 8:58 PM

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Omega Seamaster 300 SMPc non-wave (best)

Omega - SMPc non-wave (best) · $2,950

A Omega Seamaster 300 SMPc non-wave in very good condition, suitable for formal events. It has been well-maintained and is in excellent cosmetic shape. The watch features a clear AR coating on the glass.

Condition: very good shape with minor wear on clasp
Ownership: non-original owner
Wearing frequency: 5-6 times per year

Posted at

Dec 19, 2025, 8:59 PM

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Omega Seamaster 300 Master Co-Axial – 41mm “Retro” – 233.30.41.21.01.001 – $3,199 Shipped (Price Reduced!)

Omega - 233.30.41.21.01.001 · $3,199

This Omega Seamaster 300 Master Co-Axial features a 41mm stainless steel case, black dial with vintage-tone lume, and a ceramic bezel with 300m water resistance. It's powered by an anti-magnetic movement.

Condition: Excellent overall with minor surface scuffs and light wear
Case size: 41mm diameter
Water resistance: 300m depth rating
Movement type: Cal. 8400

Posted at

Dec 18, 2025, 7:56 PM

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Omega Seamaster 300 Co-Axial Master Chronometer 41 mm (Ref. 234.30.41.21.01.001) — $4,650 shipped CONUS

Omega - 234.30.41.21.01.001 · $4,650

This Omega Seamaster 300 Co-Axial Master Chronometer features a 41mm stainless steel case, black sandwich dial with vintage-tone lume, and ceramic bezel. It has a METAS certified Cal. 8912 movement with 60-hour power reserve, 15,000-gauss magnetic resistance, and 300m water resistance.

Condition: Excellent overall condition, one small scuff on the side of the case
Case size: 41mm diameter
Water resistance: 300m depth rating
Movement: Omega Co-Axial Master Chronometer Cal. 8912

Posted at

Dec 18, 2025, 11:04 AM

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Omega Seamaster 300M Co-Axial Mid-size 2220.80 - $2,800 - Reserved post for u/agrem19

Omega - 2220.80 · $2,800

Up for sale is my Omega Seamaster 2220.80, a mid-size automatic co-axial cal 2500 movement watch measuring 41mm in diameter.

Condition: Good condition with minimal marks and hairlines on the case, caseback, and bezel insert
Movement type: Automatic Co-Axial Cal 2500
Bracelet size range: 7-7.25 inches (depending on wrist shape)
Shipping method: Fedex Priority Shipping from the Philippines

Posted at

Dec 17, 2025, 9:30 PM

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Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,290

Omega - 2222.80 · $2,290

The Omega Seamaster 300M Co-Axial Mid-size is a 36mm automatic watch featuring the co-axial cal 2500 movement. It has a steel case, original Omega steel bracelet, and sapphire crystal.

Condition: 8.9/10 - great condition with minimal marks
Movement: Co-Axial Cal 2500
Bracelet size: fits up to 7-7.25 inch wrists
Shipping: Fedex Priority Shipping from Philippines with 3-5 days global delivery time

Posted at

Dec 17, 2025, 8:46 PM

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Omega Seamaster 300M Ref. 212.30.41.20.01.005 – “James Bond 41mm” – LE 10059/11007 – Watch + Cards 💥 – $3,999 Shipped

Omega - 212.30.41.20.01.005 · $3,999

The Omega Seamaster Diver 300M James Bond Limited Edition is a numbered limited run iconic Bond reference, featuring a 41mm stainless steel case and Co-Axial Chronometer movement. It has a black 007 dial, display caseback with 'James Bond 50 Years' rotor, and 300m water resistance.

Condition: Very good overall with normal wear
Case size: 41mm
Water resistance: 300m
Movement: Co-Axial Chronometer

Posted at

Dec 15, 2025, 9:55 PM

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Omega Seamaster 300 41mm Titanium on Titanium Ref. 233.90.41.21.03.001 (2022) - Pre-Owned Good Condition w/ Box & Papers

Omega - 233.90.41.21.03.001 · $5,500

The Omega Seamaster 300 is a lightweight titanium diver's watch with a striking blue dial and 41mm case, built for adventure yet refined for everyday wear.

Condition: Pre-Owned good condition
Case Diameter: 41mm
Movement: Automatic, Calibre 8400
Water Resistance: 30 ATM

Posted at

Dec 15, 2025, 6:59 PM

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