Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 No-Date Stainless Steel / Black - Orange / Mesh

Reference 210.30.42.20.01.018

About this watch

The OMEGA Seamaster Diver 300M 210.30.42.20.01.018 debuted in 2025. This model is part of the updated Diver 300M generation, featuring a black aluminium dial with orange accents, including the central seconds hand, quarter-hour indexes, and Seamaster logo. The oxalic anodised aluminium bezel ring includes a diving scale in white Super-LumiNova, complementing the dial’s rhodium-plated skeletonised hands and indexes, also filled with white Super-LumiNova. The 42 mm stainless steel case is equipped with a domed sapphire crystal, helium escape valve at 10 o’clock, and transparent case back. It houses the Co-Axial Master Chronometer calibre 8806, certified by METAS for precision, magnetic resistance, and overall performance. This version is fitted with a stainless steel mesh bracelet and folding clasp. A second version with orange rubber strap is also available.
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Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 No-Date Stainless Steel / Black - Orange / Mesh
Reference
210.30.42.20.01.018
Movement
8806
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[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 Diver 300M 210.32.42.20.04.001 Box And Papers+ Original Receipt $4300+ 🏷️

OMEGA Seamaster Diver 300M 210.32.42.20.04.001 Box And Papers+ Original Receipt $4300+ 🏷️

The Omega Seamaster Diver 300M is a 42mm watch featuring a white dial with waves, 300 meter water resistance, and an 8800 movement.

  • Condition: Excellent, small scratches on bezel groove
  • Case size: 42mm
  • Water resistance: 300m
  • Movement: 8800
Posted at
Apr 19, 2026, 9:31 PM
Active
[WTS] Omega SMP 300 Seamaster Diver 300M America's Cup on Rubber Strap 210.32.42.20.04.002

Omega SMP 300 Seamaster Diver 300M America's Cup on Rubber Strap 210.32.42.20.04.002

A Omega Seamaster Diver 300M America's Cup on a rubber strap with a red tipped hand and full deployment buckle.

  • Condition: Excellent condition
  • Strap material: rubber
Posted at
Apr 19, 2026, 7:33 PM
Active
[WTS] 2025 OMEGA Seamaster Diver 300m 210.32.42.20.01.001 42mm Stainless Steel COMPLETE SET w/ Extra Strap

2025 OMEGA Seamaster Diver 300m 210.32.42.20.01.001 42mm Stainless Steel COMPLETE SET w/ Extra Strap

The OMEGA Seamaster Diver 300m is a popular dive watch with a 42mm stainless steel case and black wave dial. It features a black ceramic bezel and comes with two strap options. The watch is powered by OMEGA's in-house coaxial movement, offering 55 hours of power reserve.

  • Condition: Excellent 'Like New' Condition
  • Case size: 42mm
  • Case material: Stainless Steel
  • Bezel material: Black Ceramic
Posted at
Apr 19, 2026, 4:48 PM
Active
[WTS] Omega Seamaster Diver 300M James Bond 60th Anniversary 210.30.42.20.03.002 $6,999

Omega Seamaster Diver 300M James Bond 60th Anniversary 210.30.42.20.03.002 $6,999

This Omega Seamaster Diver 300M is a special edition celebrating the James Bond 60th Anniversary, featuring a reliable Omega Calibre 8806 and COSC and METAS certifications.

  • Condition: Preowned - Excellent
  • Case size: 42mm
  • Movement: Omega Calibre 8806
  • Water resistance: 300m
Posted at
Apr 19, 2026, 10:06 AM
Active
[WTS] 2026 Omega Seamaster Diver 300M Green 30.42.20.10.001

2026 Omega Seamaster Diver 300M Green 30.42.20.10.001

Omega - 30.42.20.10.001 · $5,200
2026 Omega Seamaster Diver 300M Green, in excellent condition and keeping perfect time. Comes with a bracelet and an Omega rubber strap.

  • Condition: Excellent
  • Warranty Date: 2/14/26
  • Strap Change Marks: minor marks under the lugs
  • Bracelet Wear: little wear
Posted at
Apr 19, 2026, 9:10 AM
Active
[WTS] Omega Seamaster Diver 300M Blue Wave Dial | Ref. 210.30.42.20.03.001 | 42mm | Stainless Steel | Full Set | 2025

Omega Seamaster Diver 300M Blue Wave Dial | Ref. 210.30.42.20.03.001 | 42mm | Stainless Steel | Full Set | 2025

A Omega Seamaster Diver 300M with a blue wave dial and 42mm stainless steel case.

  • Case size: 42mm diameter
  • Materials: Stainless Steel
Posted at
Apr 18, 2026, 11:57 AM
Active