Omega Seamaster 300 Seamaster 300 Co-Axial Master Chronometer Platinum / Malachite

Reference 234.93.41.21.99.001

About this watch

The Omega Seamaster 300 Co-Axial Master Chronometer Platinum / Malachite is a stunning example of luxury watchmaking, blending elegance with functionality. This timepiece showcases the brand's craftsmanship and attention to detail, making it a standout in the Seamaster family. The platinum case and malachite dial add a touch of sophistication, while the automatic movement ensures precision and reliability. With its 60-hour power reserve and water resistance of 300 meters, this watch is perfect for diving enthusiasts or those who appreciate luxury and functionality. Whether you're at the office or out on the town, the Omega Seamaster 300 Co-Axial Master Chronometer Platinum / Malachite is a versatile timepiece that exudes style and substance.

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Key Features

Platinum case with malachite dial
Automatic Omega caliber 8913 movement
60-hour power reserve
Water resistance of 300 meters
Sapphire crystal for scratch protection
Sturdy platinum bracelet
Easy-adjust clasp

Specifications

Brand

Omega

Family

Seamaster 300

Model

Seamaster 300 Co-Axial Master Chronometer Platinum / Malachite

Reference

234.93.41.21.99.001

Movement

8913

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

41mm

Dial Color

Green

Crystal

Sapphire

Water Resistance

300

Current Listings

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

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Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega - 234.30.41.21.01.001 · $6,495

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

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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

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Omega Seamaster 300m Chronograph 44mm 212.30.44.50.03.001

Omega - 212.30.44.50.03.001 · $3,375

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

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Omega Seamaster 300 Heritage

Omega - Seamaster 300 Heritage · $3,500

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

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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

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Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001

Omega - 233.30.41.21.01.001 · $3,425

This Omega Seamaster 300 Heritage is a 41mm watch featuring a black dial.

Condition: Fantastic condition with minor hairlines on case, clasp, and bracelet
Case size: 41mm
Bracelet links: 15

Posted at

Feb 7, 2026, 11:23 AM

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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

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