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 "Seaweed" Green Wave Dial on OEM Mesh! 210.32.42.20.10.001 - SNOWMAGEDDON SPECIAL

Omega - 210.32.42.20.10.001 · $5,750

The Omega Seamaster Diver 300M 'Seaweed' features a unique green wave dial and is powered by the Caliber 8800 movement, providing up to 55 hours of power reserve. It's water-resistant up to 300 meters, making it suitable for various activities, including swimming or diving.

Condition: Excellent preowned condition
Movement: Caliber 8800
Depth rating: 300m
Power reserve: up to 55 hours

Posted at

Jan 25, 2026, 2:43 PM

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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 titanium case, matte black tropical aluminum dial and bezel, and vintage-inspired details throughout, powered by Co-Axial Master Chronometer Calibre 8806.

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

Posted at

Jan 24, 2026, 12:44 PM

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[WTS] Omega Seamaster 300m 41mm Full Size 2531.80 - FRESHLY OVERHAULED BY OMEGA 🧼 ($1K service, many parts replaced) - Full Kit - 2 year Omega warranty - $3700 firm shipped CONUS

Omega Seamaster 300m 41mm Full Size 2531.80 - FRESHLY OVERHAULED BY OMEGA 🧼 ($1K service, many parts replaced) - Full Kit - 2 year Omega warranty - $3700 firm shipped CONUS

Omega - 2531.80 · $3,700

This Omega Seamaster 300m is a full-size watch with a 41mm case, featuring a freshly overhauled movement and various parts replaced by Omega. It comes with a 2-year warranty and is in incredible condition.

Condition: Pre-owned, like new with minor desk dive scuffs on clasp
Warranty Years: 2
Service Cost: $1,000
Bracelet Condition: All pins replaced

Posted at

Jan 23, 2026, 4:00 PM

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Omega Seamaster 300M VINTAGE (Ref 168.1503)

Omega - 168.1503 · $2,500

This vintage Omega Seamaster 300M is a numbers matching all ordinal watch from around 1984. It's being sold as a head only unit without a strap.

Condition: Super clean, runs well
Case size: 42mm diameter
Serial matching: numbers matching

Posted at

Jan 23, 2026, 3:22 PM

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Omega Seamaster 300 Steel Pumpkin Patina Lollipop Hand (Unpolished/Serviced)

Omega - 300

Additional details not available.

Condition: Unpolished/Serviced

Posted at

Jan 21, 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 · $6,845

The Omega Seamaster 300 Heritage is a vintage-inspired dive watch with a timeless design, featuring a black dial, broad arrow hands, and warm toned lume.

Condition: Excellent
Case material: steel
Bracelet type: matching
Box set included: true

Posted at

Jan 21, 2026, 3:02 PM

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Omega Seamaster 300M Co-Axial 41mm 2220.80 Full Kit, + spare clean OEM Bezel Insert - $2,890

Omega - 2220.80 · $2,890

Up for sale is my Omega Seamaster 2220.80, featuring an automatic co-axial cal 2500 movement and measuring at 41mm.

Condition: 8.8/10 - great condition with minimal marks/hairlines
Case size: 41mm diameter
Bezel insert condition: scratches/fading, has a spare clean OEM bezel insert (9.5/10)
Movement: automatic co-axial cal 2500

Posted at

Jan 20, 2026, 8:42 PM

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