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.
Buy Now on Jomashop
This is an affiliate link

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

Omega Seamaster 300M

Omega - Seamaster 300M · $4,500
This Omega Seamaster Diver 300M is a 42mm 2019 model that keeps good time, accompanied by its full box and papers. It includes both the bracelet and an Omega rubber strap.

  • Condition: Pre-owned with normal wear
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
Posted at
Apr 8, 2026, 7:15 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M Black Aluminum / Orange 210.30.42.20.01.018 ( new / 2025 / box and papers )

Omega Seamaster 300M Black Aluminum / Orange 210.30.42.20.01.018 ( new / 2025 / box and papers )

Omega - 210.30.42.20.01.018 · $6,450
This Omega Seamaster 300 is a brand new, Master Chronometer-certified watch featuring a 42mm stainless steel case and orange accents on a mesh bracelet.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: 8806 Master Co-Axial
Posted at
Apr 8, 2026, 12:18 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M Black / Orange Diver 210.32.42.20.01.006 ( new / 2025 / box and papers )

Omega Seamaster 300M Black / Orange Diver 210.32.42.20.01.006 ( new / 2025 / box and papers )

Omega - 210.32.42.20.01.006 · $6,250
This Omega Seamaster 300M Black / Orange Diver features a 42mm stainless steel case with an orange rubber strap and a black & orange dial. It comes complete with all boxes, papers, and booklet.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: 8806 Master Co-Axial
Posted at
Apr 8, 2026, 12:14 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M 42mm Black 210.30.42.20.01.001 ( new / 2025 / box and papers )

Omega Seamaster 300M 42mm Black 210.30.42.20.01.001 ( new / 2025 / box and papers )

Omega - 210.30.42.20.01.001 · $5,450
This Omega Seamaster 300 is a brand new 42mm stainless steel watch with a black dial and bezel on a bracelet, complete with all original boxes, papers, and warranty.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: 8800 Master Co-Axial
Posted at
Apr 8, 2026, 12:10 PM
Active
View listing on r/WatchExchange

(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

Omega - 210.62.44.20.01.00
The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.

  • Status: (SOLD)
Posted at
Apr 7, 2025, 10:22 AM
Active
View listing on RolexForums
Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

Omega - 210.30.42.20.01.010 · $5,995
This Omega Seamaster 300M features a 42mm stainless steel case with a black aluminum dial and mesh bracelet, powered by the Master Co-Axial Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: 8806 Master Co-Axial
Posted at
Apr 6, 2025, 4:26 PM
Active
View listing on RolexForums
Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )

Omega - 210.30.42.20.03.003 · $4,995
This Omega Seamaster 300M 42mm features a Summer Blue dial on a stainless steel bracelet, powered by the Master Co-Axial movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement type: Master Co-Axial
Posted at
Apr 4, 2025, 2:51 PM
Active
View listing on RolexForums
Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

Omega - 210.62.44.20.01.00 · $8,250
A black ceramic and 18K gold Omega Seamaster 300M with a wave dial, measuring 43.5mm in diameter.

  • Condition: Very Good (VG)
  • Case size: 43.5mm
  • Material: Black Ceramic and 18K Gold
Posted at
Apr 4, 2025, 12:18 PM
Active
View listing on RolexForums
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 · $3,800
This Omega Seamaster 300M is a high-end diving watch with a 42mm case size and 300m water resistance rating. It features a very good condition, minor-wear-only case with perfect front and back sapphire crystals.

  • Condition: Very good condition
  • Case Size: 42mm
  • Water Resistance Rating: 300m (1000 ft.)
  • Depth Rating: 300m depth rating
Posted at
Apr 3, 2025, 4:36 PM
Active
View listing on RolexForums