Omega Seamaster 300 Seamaster 300 Co-Axial Master Chronometer Platinum / Lapis Lazuli

Reference 234.93.41.21.99.002

Omega Seamaster 300 Co-Axial Master Chronometer Platinum / Lapis Lazuli

About this watch

The Omega Seamaster 300 is a true testament to the brand's commitment to quality and innovation. Crafted from platinum, this watch exudes sophistication, with a stunning lapis lazuli dial adding a rich, deep blue hue that stands out against the gleaming case. The rotating bezel is functional for divers, allowing you to track elapsed time underwater. With exceptional water resistance and a highly accurate movement featuring Co-Axial escapement, this watch is perfect for adventure-seekers or those who value both aesthetics and practicality. Whether dressing up for a formal event or keeping it casual on the weekend, the Seamaster 300 fits seamlessly into any outfit.
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Key Features

  • Platinum case
  • Lapis lazuli dial
  • Rotating bezel
  • 300m water resistance
  • Automatic Omega caliber 8913 movement
  • Co-Axial escapement
  • Sapphire glass

Specifications

Brand
Omega
Family
Seamaster 300
Model
Seamaster 300 Co-Axial Master Chronometer Platinum / Lapis Lazuli
Reference
234.93.41.21.99.002
Movement
8913
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
41mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster 300m 210.32.42.20.03.001

Omega Seamaster 300m 210.32.42.20.03.001

Omega - 210.32.42.20.03.001
WTS Omega Seamaster 300m

Posted at
Mar 23, 2026, 1:52 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,850

Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,850

Omega - 2220.80 · $2,850
Up for sale is my Omega Seamaster 2220.80, a 41mm automatic co-axial cal 2500 movement watch with a steel case on original Omega steel bracelet.

  • Condition: Great condition, minimal marks/hairlines on case and bracelet
  • Case size: 41mm diameter
  • Movement: co-axial cal 2500
  • Bracelet size fit: up to 7-7.25 inch wrists depending on wrist shape
Posted at
Mar 22, 2026, 10:54 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,790 - Reserved post for u/perfectandreal

Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,790 - Reserved post for u/perfectandreal

Omega - 2220.80 · $2,790
Up for sale is my Omega Seamaster 2220.80, a 41mm watch with an automatic co-axial cal 2500 movement.

  • Condition: great condition with minimal marks/hairlines on case, caseback, and bracelet
  • Movement: automatic co-axial cal 2500
  • Case diameter: 41mm
  • Bracelet size range: 7-7.25 inch wrists depending on wrist shape
Posted at
Mar 22, 2026, 10:09 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M Blue LNIB

Omega Seamaster 300M Blue LNIB

Omega - 210.30.42.20.03.001 · $4,250
This Omega Seamaster 300M Blue is a beautiful, iconic watch in excellent condition, featuring a full big box kit and 2024 cards.

  • Condition: Like new
  • Case diameter: 42mm
  • Thickness: 13.56mm
  • Water resistance: 30 bar (300 metres / 1000 feet)
Posted at
Mar 22, 2026, 5:10 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300P ref 212.30.41.20.01.002 Unworn 2011 $3910

Omega Seamaster 300P ref 212.30.41.20.01.002 Unworn 2011 $3910

Omega - 212.30.41.20.01.002 · $3,910
A 2011 Omega Seamaster 300P for sale, described as unworn.

  • Condition: Unworn
  • Year: 2011
Posted at
Mar 22, 2026, 12:35 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - Full Set

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

Omega - 233.30.41.21.01.001 · $3,900
Up for sale is an Omega Seamaster 300 Heritage - 41mm - Black Dial, which functions perfectly mechanically.

  • Condition: Fantastic condition with minor hairlines
  • Case Size: 41mm
  • Dial Color: black
Posted at
Mar 19, 2026, 7:46 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M Co-Axial 2220.80 41mm Box and Card- $2,790

Omega Seamaster 300M Co-Axial 2220.80 41mm Box and Card- $2,790

Omega - 2220.80 · $2,790
Up for sale is my Omega Seamaster 2220.80. This watch measures at 41mm and has an automatic co-axial cal 2500 movement.

  • Condition: 8.9/10, great condition with minimal marks/hairlines on case, caseback, and bracelet
  • Case size: 41mm diameter
  • Movement: automatic co-axial cal 2500
  • Bracelet type: original Omega steel bracelet
Posted at
Mar 19, 2026, 4:37 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300 Heritage - Mint w/Straps - Under Warranty

Omega Seamaster 300 Heritage - Mint w/Straps - Under Warranty

Omega - 234.30.41.21.03.001 · $4,800
The Omega Seamaster 300 Heritage is a modern reissue of Omega's classic dive watch with a beautiful blue sandwich dial and vintage-inspired design.

  • Condition: Near Mint
  • Case size: 41mm diameter
  • Movement: Omega Master Chronometer automatic movement (Calibre 8912)
  • Bezel direction: Unidirectional dive bezel
Posted at
Mar 18, 2026, 2:02 PM
Active
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[WTS] OMEGA Heavyweights: Moonwatch 3861 Sapphire Sandwich (310.30.42.50.01.002) & Seamaster 300M Ceramic/Sedna Gold (210.62.44.20.01.001)

OMEGA Heavyweights: Moonwatch 3861 Sapphire Sandwich (310.30.42.50.01.002) & Seamaster 300M Ceramic/Sedna Gold (210.62.44.20.01.001)

Omega - 3861, 310.30.42.50.01.002 and 210.62.44.20.01.001
  • Model names: Moonwatch & Seamaster 300M
  • Materials: Sapphire Sandwich, Ceramic/Sedna Gold
Posted at
Mar 17, 2026, 9:57 AM
Active
View listing on r/WatchExchange