[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 )

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
[WTS] Omega Seamaster Professional 300m 210.30.42.20.01.018 Box+Papers!

Omega Seamaster Professional 300m 210.30.42.20.01.018 Box+Papers!

A 2023 Omega Seamaster Professional Diver 300M with an automatic self-winding movement and a black dial with orange accents.

  • Condition: Fairly new, minimal wear
  • Movement: Omega 8806 Automatic Self Winding w/ Hacking
  • Power reserve: 55 hours
  • Dial color: Black with orange accents
Posted at
Apr 7, 2026, 8:36 AM
Active
[WTS] Omega Seamaster Professional 300m 210.30.42.20.01.018 FULL SET

Omega Seamaster Professional 300m 210.30.42.20.01.018 FULL SET

Up for sale is my Omega Seamaster Professional Diver 300M Reference 210.30.42.20.01.018 with a black dial and orange accents.

  • Condition: Fairly new, minimal wear
  • Movement: Omega 8806 Automatic Self Winding w/ Hacking
  • Case material: Stainless steel
  • Diameter: 42mm
Posted at
Mar 31, 2026, 4:55 PM
Expired
[WTS] Omega Seamaster Professional 300m 210.30.42.20.01.018 FULL SET

Omega Seamaster Professional 300m 210.30.42.20.01.018 FULL SET

Up for sale is my Omega Seamaster Professional Diver 300M Reference 210.30.42.20.01.018 with a black dial and orange accents.

  • Condition: Fairly new, minimal wear
  • Movement: Omega 8806 Automatic Self Winding w/ Hacking 55 Hour power reserve
  • Crystal: Sapphire
  • Case material: Stainless steel
Posted at
Mar 23, 2026, 12:15 PM
Expired
[WTS] *REPOST* Omega Seamaster Professional 300m 210.30.42.20.01.018

*REPOST* Omega Seamaster Professional 300m 210.30.42.20.01.018

A catch and release Omega Seamaster Professional Diver 300M with a black dial and orange accents, purchased in August 2025 from an Omega Boutique.

  • Condition: Fairly new, minimal wear
  • Case size: 42mm diameter
  • Movement power reserve: 55 hours
  • Water depth rating: 300m
Posted at
Mar 10, 2026, 9:54 AM
Expired
[WTS] Omega Seamster 300M, 210.30.42.20.01.018

Omega Seamster 300M, 210.30.42.20.01.018

This Omega Seamster 300M is being sold by the original owner with full box and papers, having been worn only a handful of times since purchase in September 2025.

  • Condition: Great condition
  • Year of purchase: 2025
Posted at
Mar 1, 2026, 11:38 AM
Expired
[WTS] 2025 Omega Seamaster 300m Diver | ref. 210.30.42.20.01.0018 | Complete Set

2025 Omega Seamaster 300m Diver | ref. 210.30.42.20.01.0018 | Complete Set

2025 Omega Seamaster 300m Diver, a diver watch with orange accents and features such as a clean bezel and crystals.

  • Condition: Preowned - lightly worn
  • Depth rating: 300m
  • Warranty: 8/25
  • Movement certification: Master Chronometer
Posted at
Sep 12, 2025, 8:23 AM
Expired