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

[US] Omega Seamaster SMP300 - Silver Dial - 42mm - 210.30.42.20.06.001

Omega - 210.30.42.20.06.001 · $3,750

A Omega Seamaster SMP300 in silver dial, 42mm case size, and a serial date of 2021.

Condition: Fantastic condition with minor hairlines on clasp and case
Size: 42mm diameter
Serial date: 2021

Posted at

Apr 14, 2026, 7:22 AM

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Omega Seamaster 300m. Box, Cards. 210.30.42.20.06.001

Omega - 210.30.42.20.06.001 · $3,750

A Omega Seamaster 300m with box and cards is being sold.

Box: yes
Cards: yes

Posted at

Apr 11, 2026, 11:03 AM

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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 210.32.42.20.03.001 Blue Wave Dial Full Set

OMEGA - 210.32.42.20.03.001 · $4,299

This OMEGA Seamaster Diver 300M features a 42mm stainless steel case, blue ceramic wave dial, and matching blue bezel. Powered by Omega’s Co-Axial Master Chronometer caliber 8800, it offers everyday wearability and technical performance.

Condition: Excellent pre-owned condition
Case size: 42mm diameter
Movement: Co-Axial Master Chronometer caliber 8800

Posted at

Apr 24, 2026, 8:25 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! 🔥$7,900🔥

OMEGA - 522.21.42.20.04.001 · $7,900

A luxurious tribute to sporting excellence, combining stainless steel with OMEGA's exclusive 18K Moonshine Gold.

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

Posted at

Apr 24, 2026, 6:11 PM

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Omega Seamaster Diver 300M Chronograph 44mm – Ref. 212.30.44.50.01.001 – Very Good – B&P

Omega - 212.30.44.50.01.001 · $4,250

This is a 2024 Omega Seamaster Diver 300M Co-Axial Chronometer Chronograph, featuring a 44mm full steel case with black ceramic bezel and Calibre 3330 movement.

Condition: Very Good
Movement caliber: Calibre 3330
Water resistance: 30 bar (300m)
Certification: Master Chronometer certified

Posted at

Apr 24, 2026, 2:15 PM

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2024 Omega Seamaster Diver 300M White Wave Dial 210.32.42.20.04.001 Full Set $4,000

Omega - 210.32.42.20.04.001 · $4,000

A modern Omega Seamaster Diver 300M with a distinctive ceramic wave dial and strong everyday versatility, known for its clean, high-contrast white dial paired with black accents.

Condition: Great (pre-owned)
Movement: Automatic (Omega Calibre 8800 Master Chronometer)
Case size: 42mm
Case material: Stainless steel

Posted at

Apr 24, 2026, 1:13 PM

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