Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Grey / Bracelet

Reference 210.30.42.20.06.001

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a stunning piece of horological craftsmanship that resonates with both watch enthusiasts and casual wearers alike. With its striking grey dial and robust construction, this model blends elegance with functionality. The design of the Seamaster Diver 300M is a perfect marriage of style and utility, featuring a 42 mm round case made from high-quality stainless steel and a ceramic bezel with a rotating 0-60 dive scale. At the core lies the Omega Caliber 8800, a self-winding movement certified as a Master Chronometer, guaranteed to provide precision and performance. With its impressive water resistance of up to 300 meters and Co-Axial escapement reducing friction between moving parts, this watch is built to last. It's an experience on your wrist that combines functionality with aesthetic appeal.
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MSRP: $5,900
Market Price: $3,814

Key Features

  • 42mm round case made from stainless steel
  • Ceramic bezel with rotating 0-60 dive scale
  • Omega Caliber 8800 self-winding movement
  • Master Chronometer certification
  • 300m water resistance
  • Co-Axial escapement reducing friction between moving parts
  • Sapphire crystal glass scratch-resistant

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Grey / Bracelet
Reference
210.30.42.20.06.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

Up for sale is a Omega Seamaster Diver 300m Blue, a **Reference**: 210.30.42.20.03.001 from the year 2022.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
Mar 28, 2026, 5:15 PM
Active
[WTS] Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2022 Full Set - $5,395

Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2022 Full Set - $5,395

This Omega Seamaster Diver 300m Green Seaweed from 2022 features a diver's watch design with a 42mm case, suitable for everyday wear or diving. It comes in excellent condition and is fully tested on a timegrapher. The watch includes various accessories such as boxes, cards, and instructions.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Case size: 42mm
  • Water resistance: 300m
Posted at
Mar 28, 2026, 5:13 PM
Active
[WTS] Omega Seamaster Diver 300M Professional 300m 2542.80.00 41mm Quartz

Omega Seamaster Diver 300M Professional 300m 2542.80.00 41mm Quartz

Omega - 2542.80.00 · $1,800
This Omega Seamaster Diver 300M Professional has a unique printed dial configuration recalling earlier classic styles of the Bond era. The watch features a marine grey blue hue paired with custard colored patina markers and comes with a 41mm case, sapphire crystal, and a new battery.

  • Condition: Used with clear wear and scratches
  • Case size: 41mm
  • Lug width: 20mm
  • Lug to lug: 47h
Posted at
Mar 27, 2026, 11:39 AM
Active
[WTS] Omega Seamaster Diver 300M — Ref. 210.30.42.20.03.001

Omega Seamaster Diver 300M — Ref. 210.30.42.20.03.001

a luxury Omega Seamaster Diver 300M, a high-end dive watch with features including date display and unidirectional rotating bezel.

Posted at
Mar 27, 2026, 4:20 AM
Active
[WTS] 2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue 210.30.42.20.03.003 Full Set

2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue 210.30.42.20.03.003 Full Set

A 2023 Omega Seamaster Diver 300M in a 42mm stainless steel case, featuring a summer blue gradient ceramic dial with a rotating dive bezel.

  • Condition: Pre-owned with minor scratches and dings
  • Case material: stainless steel
  • Bezel material: stainless steel
  • Dial color: summer blue gradient with light blue super-lumiNova
Posted at
Mar 26, 2026, 10:17 PM
Active
[WTS] Omega Seamaster Diver 300M, no date, black small wave dial 210.32.42.20.01.003

Omega Seamaster Diver 300M, no date, black small wave dial 210.32.42.20.01.003

For sale is my Omega Seamaster Diver 300, black small wave dial 210.32.42.20.01.003, featuring a domed sapphire crystal and aluminum insert, with charm that can only be 'felt' in person.

  • Condition: LIKE NEW
  • Case material: unknown
  • Band material: unknown
  • Water resistance: 300m depth rating
Posted at
Mar 26, 2026, 9:49 PM
Active
[WTS] 2020 Omega Seamaster Diver 300M 42mm James Bond LE 7007 210.22.42.20.01.004 Full Set Excellent

2020 Omega Seamaster Diver 300M 42mm James Bond LE 7007 210.22.42.20.01.004 Full Set Excellent

A limited edition James Bond release featuring a black ceramic dial, steel and yellow-gold case accents, and both a black rubber strap and stainless steel bracelet.

  • Condition: Excellent
  • Material: steel and yellow-gold
  • Bracelet Type: stainless steel
  • Strap: black rubber
Posted at
Mar 26, 2026, 12:39 PM
Active
[WTS] Omega Seamaster Diver 300M (210.30.42.20.03.001)

Omega Seamaster Diver 300M (210.30.42.20.03.001)

This Omega Seamaster Diver 300M features a blue dial/bezel on a steel bracelet and is the newest reference available.

  • Condition: very good condition
  • Case size: 42mm diameter
  • Case material: steel
  • Bracelet material: steel
Posted at
Mar 26, 2026, 8:26 AM
Active
[WTS] Omega Seamaster Diver 300M “No Time To Die” 210.90.42.20.01.001 | Box + Undated Papers + Pouch + Both OEM Straps | $8,800

Omega Seamaster Diver 300M “No Time To Die” 210.90.42.20.01.001 | Box + Undated Papers + Pouch + Both OEM Straps | $8,800

This Omega Seamaster Diver 300M 'No Time To Die' features a lightweight titanium case, tropical brown dial and bezel, vintage-toned lume, red-tipped seconds hand, and one of the best-wearing mesh bracelets in the modern Omega lineup. It's a very distinctive Seamaster with a sporty look and feel.

  • Condition: good condition with signs of wear from use
  • Case size: 42mm
  • Movement: Automatic
  • Material: Titanium
Posted at
Mar 25, 2026, 11:19 PM
Active