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 Diver 300M “No Time To Die” 007 Edition Titanium | Ref. 210.90.42.20.01.001 | Full Set | $8500

Omega Seamaster Diver 300M “No Time To Die” 007 Edition Titanium | Ref. 210.90.42.20.01.001 | Full Set | $8500

The Omega Seamaster Diver 300M 'No Time To Die' James Bond edition features a titanium case and brown/khaki dial with a unique 'Broad Arrow' detail.

  • Condition: Pre-owned, worn lightly with minimal signs of wear on bracelet
  • Case size: 42mm
  • Bracelet material: Grade 2 Titanium
  • Dial color: Brown/khaki
Posted at
Apr 21, 2026, 10:31 PM
Active
[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

Up for sale is a Omega Seamaster Diver 300m Green Seaweed, a watch from the 2024 collection.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Case Size: 42mm
  • Water Resistance: 300m
Posted at
Apr 21, 2026, 12:03 PM
Active
[WTS] Omega Seamaster Diver 300M 41mm 212.30.41.20.01.002 | 2019 Box and Papers

Omega Seamaster Diver 300M 41mm 212.30.41.20.01.002 | 2019 Box and Papers

A 2019 Omega Seamaster Diver 300M in 41mm size, including original box and papers.

  • Condition: Great Pre-Owned with minor defects (crystal chip)
  • Case Size: 41mm
  • Links: 11.5
Posted at
Apr 20, 2026, 9:49 PM
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