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

[WTS] Omega Seamaster 300 Heritage - Full Set

Omega Seamaster 300 Heritage - Full Set

This Omega Seamaster 300 Heritage features a black dial, stainless steel case, and a black oxalic anodized aluminum bezel with vintage Super-LumiNova diving scale. It is presented on a stainless steel bracelet and powered by the OMEGA Co-Axial Master Chronometer Calibre 8912.

  • Condition: Excellent
  • Bracelet material: stainless steel
  • Bezel material: black oxalic anodized aluminum
  • Case size: 41mm
Posted at
Apr 19, 2026, 7:01 PM
Active
[WTS] Brand New 2026 Omega Seamaster 300M “James Bond 60th Anniversary” – Full Set Ref: 210.30.42.20.03.002 $7,500

Brand New 2026 Omega Seamaster 300M “James Bond 60th Anniversary” – Full Set Ref: 210.30.42.20.03.002 $7,500

The Omega Seamaster 300M 'James Bond 60th Anniversary' is a limited-edition tribute to GoldenEye with unique vintage cues and a standout caseback. It features a stainless steel mesh-style bracelet, no-date configuration, and Co-Axial Master Chronometer Calibre 8806.

  • Condition: Brand New / Unworn / Fully Stickered
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
Apr 18, 2026, 10:37 PM
Active
[WTS] Omega Seamaster 300, Ref. 233.30.41.21.01.001, $3,700

Omega Seamaster 300, Ref. 233.30.41.21.01.001, $3,700

This Omega Seamaster 300 Heritage is one of Omega's most iconic dive watches, featuring a Co-Axial Master Chronometer Cal. 8400 and anti-magnetic properties up to 15,000 gauss.

  • Condition: Excellent pre-owned condition
  • Movement: Omega Cal. 8400 (Automatic, Co-Axial Master Chronometer)
  • Case size: 41mm
  • Water resistance: None mentioned
Posted at
Apr 18, 2026, 3:48 PM
Active
[WTS] 2023 Mint Full Set Omega Seamaster 300 Heritage 234.30.41.21.01.001 $5600

2023 Mint Full Set Omega Seamaster 300 Heritage 234.30.41.21.01.001 $5600

The Omega Seamaster 300 Heritage is a 41mm stainless steel watch designed for divers and professionals, featuring a black dial and bezel with vintage-style hour markers and diving scale.

  • Condition: Mint
  • Case size: 41mm
  • Water resistance: 30m
Posted at
Apr 18, 2026, 2:15 PM
Active
[WTS] Omega Seamaster 300 Blue 41mm 234.30.41.21.03.001 – Excellent Condition – Full Set – 2023

Omega Seamaster 300 Blue 41mm 234.30.41.21.03.001 – Excellent Condition – Full Set – 2023

This is a modern Omega Seamaster 300 with a blue sandwich dial and matching ceramic bezel, powered by the Master Co-Axial Caliber 8912.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Movement: Master Co-Axial Caliber 8912
Posted at
Apr 17, 2026, 10:24 PM
Active
[WTS] Omega SeaMaster 300 41mm SMPC - Full Kit - BONUS EXTRAS !!!

Omega SeaMaster 300 41mm SMPC - Full Kit - BONUS EXTRAS !!!

This Omega SeaMaster 300 is a classic watch with perfect size and balance, featuring a 41mm case.

  • Condition: Beautiful condition
  • Bracelet type: Forstner - Contemporary Flat Link Brushed / Forstner - Bulllet Bracelet
  • Extra straps: Omega - OEM NATO,Stiab - Mesh
  • Accessories: Omega - OEM travel Case,Spring bar tube
Posted at
Apr 17, 2026, 6:53 PM
Active
[WTS] 2019 Omega Seamaster 300 1957 Trilogy Limited Edition 60th Anniversary 234.10.39.20.01.001 Full Set

2019 Omega Seamaster 300 1957 Trilogy Limited Edition 60th Anniversary 234.10.39.20.01.001 Full Set

A highly collectible reissue from Omega — the Seamaster 1957 Trilogy Limited Edition, released for the 60th anniversary of the original Seamaster 300. This model perfectly captures the vintage CK2913 design with a black 'tropical' style dial, broad arrow hands.

  • Condition: Pre-owned, shows light signs of wear on bezel, case sides, case back, lugs, and bracelet/clasp
  • Movement: Co-Axial Master Chronometer Calibre 8806 (METAS certified)
  • Power reserve: 55 hours
  • Crystal: Sapphire (vintage-style domed)
Posted at
Apr 17, 2026, 5:10 PM
Active
[WTS] BNIB Omega Seamaster 300 ONLY $10k!

BNIB Omega Seamaster 300 ONLY $10k!

Omega - 210.60.42.20.99.001 · $10,000
This Omega Seamaster 300 is brand new and includes the entire set. The reference number is 210.60.42.20.99.001.

  • Condition: Brand new, full set
  • Rrp: $17.2k plus tax
Posted at
Apr 14, 2026, 3:57 PM
Active
[WTS] 2018 Omega Seamaster 300 Co-Axial 233.30.41.21.01.001 Full Set Excellent

2018 Omega Seamaster 300 Co-Axial 233.30.41.21.01.001 Full Set Excellent

A modern reinterpretation of the 1957 classic with vintage-inspired lume and a transparent caseback.

  • Condition: Excellent
  • Year: 2018
Posted at
Apr 14, 2026, 12:30 PM
Active