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 Professional 210.30.42.20.06.001 Full set 2025 $4250

Omega - 210.30.42.20.06.001 · $4,250

The seller is listing an Omega Seamaster Professional 300, a high-end dive watch in good condition.

Condition: Very good condition
Water Resistance: 300m

Posted at

Dec 4, 2025, 8:09 PM

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Omega Seamaster Diver 300m Chrome Grey 210.30.42.20.06.001 + Straps Warranty

Omega - 210.30.42.20.06.001 · $3,950

This Omega Seamaster Diver 300m features a stunning PVC Chrome Grey dial, comes in great shape with only light signs of wear, and is delivered as a fully complete 2019 dated set.

Condition: near mint condition
Diameter: 42mm
Depth rating: 300m
Warranty: 1 year

Posted at

Feb 20, 2025, 11:35 AM

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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!

OMEGA - 522.21.42.20.04.001 · $8,250

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. The watch has a white ceramic dial and is powered by the Calibre 8800 Master Chronometer.

Condition: UNWORN
Case size: 42mm
Water resistance: 300m
Movement type: Calibre 8800 Master Chronometer

Posted at

Dec 14, 2025, 11:59 PM

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

OMEGA - 210.90.42.20.01.001 · $10,000

The OMEGA Seamaster Diver 300M 007 Edition is a unique timepiece crafted from Grade 2 Titanium, featuring a tropical brown aluminum bezel ring and dial. It's designed with military needs in mind and powered by OMEGA's Co-Axial Master Chronometer Calibre 8806.

Condition: UNWORN
Material: Grade 2 Titanium
Bracelet type: Titanium mesh bracelet
Movement: Co-Axial Master Chronometer Calibre 8806

Posted at

Dec 14, 2025, 11:53 PM

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Omega Seamaster Diver 300M - 210.32.42.20.06.001 - Grey Wave / Rubber Strap - Full Set

Omega - 210.32.42.20.06.001 · $4,200

A 2023 Omega Seamaster Diver 300M with a grey wave dial and blue ceramic bezel, paired with a comfortable blue rubber strap.

Condition: like new
Material: stainless steel
Water resistance: 300m

Posted at

Dec 14, 2025, 5:31 PM

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2021 Omega Seamaster Diver 300M Nekton Edition 210.32.42.20.01.002 Complete Set

Omega - 210.32.42.20.01.002 · $4,050

A 2021 Omega Seamaster Diver 300M Nekton Edition in 42mm, featuring a dark grey dial with polished waves and a Grade 5 titanium bezel.

Condition: great to excellent, with some minor marks on the case and strap
Movement: Cal. 8806
Lume: nuclear
Water resistance: 300m

Posted at

Dec 14, 2025, 1:34 PM

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Omega Seamaster Diver 300M “Commander’s Watch” – 41mm – Full Set

Omega - Diver 300M ‘Commander’s Watch’

Size: 41mm

Posted at

Dec 13, 2025, 2:02 PM

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Omega Seamaster Diver 300M Two Tone 42mm Black Dial 210.20.42.20.01.002 Complete

Omega - 210.20.42.20.01.002 · $7,250

Omega Seamaster Diver 300M Two Tone 42mm Black Dial in very good condition with minimal handling marks.

Condition: In very good condition, rated at 9.8/10
Box And Papers: true
Links Included: 3

Posted at

Dec 12, 2025, 11:02 AM

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2021 Omega Seamaster Diver 300M Nekton Edition 210.32.42.20.01.002 Complete Set

Omega - 210.32.42.20.01.002 · $4,250

The Omega Seamaster Diver 300M Nekton Edition is a 42mm watch with a dark grey dial, polished waves as contrast, and a Grade 5 titanium bezel. It has a solid case back and a full red seconds hand.

Condition: Great to excellent condition, with some marks and signs of use on the case and strap
Movement: Omega Cal. 8806, METAS certified
Water Resistance: 300m
Lume: nuclear

Posted at

Dec 11, 2025, 2:40 PM

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