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

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

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.

Buy Now on Jomashop

This is an affiliate link

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

No Date Omega Seamaster Diver 300M - Full Set 2025

Omega - Seamaster Diver 300M No Date · $5,200

Up for sale is my No Date SMP 300, purchased directly from Omega Boutique. This watch comes with a complete set, including the original Omega rubber strap with deployant clasp, both boxes, and 3 cards.

Condition: Mint condition
Purchase Date: purchased directly from Omega Boutique
Warranty Card Date: dated 3/29/2025
Included Accessories: complete set, original Omega rubber strap with deployant clasp, both boxes, and 3 cards

Posted at

Jan 11, 2026, 10:28 AM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M Black Dial - 210.30.42.20.01.001 - Clean!

Omega - 210.30.42.20.01.001 · $3,795

A black dial Omega Seamaster Diver 300M in overall great condition with a ceramic bezel and Sapphire glass.

Condition: great, with some minor hairlines on the case and clasp
Bracelet length: up to 7.5 inches when fully extended

Posted at

Jan 10, 2026, 6:18 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M Green Dial – 2025 Like New, Partially Stickered – Ref. 210.30.42.20.10.001

Omega - 210.30.42.20.10.001 · $5,200

The listing is for an Omega Seamaster Diver 300M with a green dial, described as like new and partially stickered.

Condition: Like New, Partially Stickered
Images: [https://imgur.com/a/xenK7E3](https://imgur.com/a/xenK7E3)

Posted at

Jan 8, 2026, 6:25 PM

Active

View listing on r/WatchExchange

2025 Omega Seamaster Diver 300M “Barcelona’s Cup” Ref. 210.32.42.20.04.002 - Box + Papers

Omega - 210.32.42.20.04.002 · $7,500

2025 Omega Seamaster Diver 300M 'Barcelona's Cup' Ref. 210.32.42.20.04.002

Box and papers included: true

Posted at

Jan 8, 2026, 4:27 PM

Active

View listing on r/WatchExchange

2022 Omega Seamaster Diver 300M 42mm 210.32.42.20.06.001 Full Set Mint

Omega - 210.32.42.20.06.001 · $4,250

A modern, high-performance dive watch with iconic Seamaster styling, featuring a grey wave dial and blue ceramic bezel.

Condition: Mint
Case size: 42mm
Dial color: grey
Bezel material: blue ceramic

Posted at

Jan 8, 2026, 9:25 AM

Active

View listing on r/WatchExchange

2024 Omega Seamaster Diver 300M Blue James Bond 60th 210.30.42.20.03.002 Full Set

Omega - 210.30.42.20.03.002 · $7,030

2024 Omega Seamaster Diver 300M Blue James Bond 60th Anniversary model, featuring a stainless steel case, rotating dive bezel, blue aluminium insert dial, and Omega stainless steel mesh bracelet.

Condition: Nice pre-owned condition with some very light scratches on the case, bracelet and buckle
Case material: Stainless Steel
Bezel type: Rotating Dive Bezel with Blue Aluminium Insert
Dial color: Blue Oxalic Anodized Aluminium Wave Dial

Posted at

Jan 5, 2026, 8:24 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Diver 300M NTTD 007 Edition Ref. 210.90.42.20.01.001 + 007 NATO Strap - ULTIMATE SET!

OMEGA - 210.90.42.20.01.001 · $9,000

The OMEGA Seamaster Diver 300M 007 Edition Ref. 210.90.42.20.01.001 is a unique timepiece worn by James Bond in the film *No Time To Die*. It features a tropical brown aluminum bezel ring and dial, giving it a distinct vintage aesthetic.

Condition: UNWORN
Case material: Grade 2 Titanium
Bracelet type: Titanium mesh bracelet
Crystal type: Domed sapphire crystal

Posted at

Jan 3, 2026, 5:06 AM

Active

View listing on r/WatchExchange

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET!

OMEGA - 522.21.42.20.04.001 · $8,250

A luxurious tribute to sporting excellence, this Seamaster Diver 300M combines stainless steel with OMEGA's exclusive 18K Moonshine Gold and features a laser-structured diving scale, matte finished white ceramic dial, and custom typography on the date disc.

Condition: UNWORN
Case material: stainless steel and 18K Moonshine Gold
Diameter: 42mm
Bezel material: stainless steel with laser-structured diving scale in positive relief

Posted at

Jan 3, 2026, 3:14 AM

Active

View listing on r/WatchExchange

No Date Omega Seamaster Diver 300M on rubber strap w/Deployant

Omega - Seamaster Diver 300M No Date · $5,400

This No Date Omega Seamaster Diver 300M is a high-quality diver's watch purchased directly from an Omega Boutique. It has been worn sparingly with nearly no visible signs of wear and comes in excellent condition.

Condition: Mint (9.5/10)
Depth rating: 300m
Band material: rubber
Original band includes: deployant clasp

Posted at

Jan 2, 2026, 6:04 PM

Active

View listing on r/WatchExchange