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

Reference 210.30.42.20.06.001

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

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

Omega Seamaster Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

Omega - 210.32.42.20.06.001 · $4,295

This Omega Seamaster Diver 300m Grey is a 2023 model featuring a sleek design and precise timekeeping.

Condition: Excellent condition with minimal signs of wear
Year: 2023
Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual, Hang Tag
Shipping: Fully insured through Fedex in the USA

Posted at

Feb 10, 2026, 9:38 AM

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

Omega - 210.30.42.20.03.001 · $4,395

A 2022 Omega Seamaster Diver 300M Blue is up for sale, featuring a blue dial and a stainless steel case.

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

Feb 10, 2026, 9:35 AM

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Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

Omega - 210.32.42.20.03.001 · $4,395

A 2022 Omega Seamaster Diver 300M Blue, featuring a blue dial and a stainless steel case.

Condition: Excellent condition with minimal signs of wear
Year: 2022
Shipping Insurance: Fully insured

Posted at

Feb 10, 2026, 9:31 AM

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2018 Omega Seamaster Diver 300M Commander's Watch - REF 212.32.41.20.04.001

Omega - 212.32.41.20.04.001 · $4,995

This is a 2018 Omega Seamaster Diver 300M Commander's Watch, with a clean and scratch-free crystal and bezel. It has been on a timegrapher and running within acceptable ranges.

Condition: great pre-owned condition
Case size: 41mm diameter
Bracelet condition: minor signs consistent with age
Crystal and bezel condition: clean and scratch free

Posted at

Feb 9, 2026, 7:22 PM

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Omega Seamaster Diver 300M 212.30.41.20.03.001

Omega - 212.30.41.20.03.001 · $3,795

This Omega Seamaster Diver 300M features a 41mm stainless steel case with blue dial and ceramic bezel, powered by the Caliber 2500 co-axial automatic movement.

Condition: excellent pre-owned
Case size: 41mm
Diameter: 41mm
Water resistance: 300m

Posted at

Feb 9, 2026, 2:59 PM

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2021 Omega Seamaster Diver 300M 42mm 210.30.42.20.03.001 Full Set

Omega - 210.30.42.20.03.001 · $4,595

A modern, high-performance dive watch with iconic Seamaster styling, featuring a blue wave dial and steel bracelet.

Condition: Excellent
Year: 2021
Contents: Complete set with serialized hang tag
Shipping: FedEx fully insured PM

Posted at

Feb 9, 2026, 12:39 PM

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OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$8,100🔥

OMEGA - 522.21.42.20.04.001 · $8,100

The OMEGA Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case combining stainless steel with 18K Moonshine Gold. It has a white ceramic dial with polished waves and a custom 'Paris 2024' typography on the date disc.

Condition: UNWORN
Case material: stainless steel and 18K Moonshine Gold
Diameter: 42mm
Water resistance: 300m depth rating

Posted at

Feb 8, 2026, 7:31 PM

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Omega Seamaster Diver 300M 007 Edition (210.90.42.20.01.001)

Omega - 210.90.42.20.01.001

Model name: Seamaster Diver 300M 007 Edition

Posted at

Feb 7, 2026, 3:32 AM

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

Omega - 210.30.42.20.03.003 · $4,600

2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue, a stainless steel automatic diver's watch with a rotating dive bezel and summer blue gradient ceramic dial.

Condition: Nice pre-owned condition with some scratches on the case bezel and bracelet
Case Material: stainless steel
Case Dimensions: 42mm diameter
Bezel: stainless steel with blue ceramic insert

Posted at

Feb 6, 2026, 5:22 PM

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