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

Reference 234.93.41.21.99.001

Omega Seamaster 300 Co-Axial Master Chronometer Platinum / Malachite

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

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

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

Omega - 2913 · $10,850
An exceptional example of the early Omega Seamaster 300 Ref. 2913, preserved in beautiful condition with a stunning pumpkin-colored patina and rare white lollipop seconds hand.

  • Condition: Unpolished, serviced, preserved in beautiful condition with honest signs of wear
  • Size: 39mm diameter
  • Year: 1958
  • Movement serviced: October 2025
Posted at
Dec 22, 2025, 9:50 AM
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[WTS] Uncle Straps US1479 Bracelet (Omega Seamaster 300m) 42mm

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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[WTS] Omega Seamaster 300 SMPc non-wave (best)

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

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

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

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

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

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

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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