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

Reference 210.30.42.20.03.003

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

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of engineering and design, blending elegance with robust functionality. Its stunning summer blue dial features a gradient finish, adding depth and character to the watch face. The case is crafted from stainless steel and ceramic, built to withstand underwater adventures. A rotating bezel allows for accurate dive time tracking, and a water resistance of up to 300 meters ensures it can endure ocean depths. At its heart lies the Omega caliber 8800 movement, a marvel of engineering with Co-Axial escapement, reducing friction and enhancing longevity and accuracy. Rigorously tested according to Master Chronometer certification, this watch is resistant to magnetic fields reaching 15,000 gauss and has a power reserve of 55 hours. The Seamaster Diver 300M comes with a stainless steel bracelet that complements the watch's aesthetics while providing a comfortable fit. Its versatility makes it suitable for various environments, from diving to formal events.

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MSRP: $6,300

Market Price: $4,986

Key Features

Stainless Steel and Ceramic Case
Summer Blue Gradient Dial
Omega Caliber 8800 Movement
300m Water Resistance
Co-Axial Escapement
Master Chronometer Certified
55 Hour Power Reserve

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Summer Blue / Bracelet

Reference

210.30.42.20.03.003

Movement

8800

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

42mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

2018 Omega Seamaster Diver 300M 41mm Steel Blue Dial 212.30.41.20.03.001 Full Set

Posted at

Mar 3, 2026, 8:22 PM

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2025 Omega Seamaster Diver 300M 210.32.42.20.01.001 $4,599

Posted at

Mar 3, 2026, 3:06 PM

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Omega Seamaster Diver 300m Blue Bracelet and Rubber 210.32.42.20.03.001 Warranty

Posted at

Mar 3, 2026, 8:22 AM

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Omega Seamaster Diver 300M Black 210.92.44.20.01.001 ♦️Brand New 2024♦️

Omega - 210.92.44.20.01.001 · $6,354

This is a brand new Omega Seamaster Diver 300M Black watch from Q1 2024 in full set with box and papers. The timepiece features the Calibre 65 movement and comes complete with all original documentation.

Condition: Brand New
Calibre: Calibre 65
Date: Q1 2024
Set Status: Full set with box and papers

Posted at

Mar 3, 2026, 2:26 AM

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Omega Seamaster Diver 300M Rubber Strap & Bond Nato

Posted at

Mar 2, 2026, 11:09 PM

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Omega Seamaster Diver 300M "Daniel Craig" with MESH BRACELET SIZE S

Omega - 210.30.42.20.01.010 · $5,800

Up for sale is the Omega Seamaster Diver 300M 'Daniel Craig' with a black dial and wave design. It features a steel case, domed sapphire crystal, and a self-winding movement with a power reserve of 55 hours.

Condition: Brand new, barely worn
Case diameter: 42mm
Thickness: 13.80mm
Water resistance: 300m depth rating

Posted at

Mar 1, 2026, 2:26 PM

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Omega Seamaster Diver 300M Blue on Bracelet + OEM strap - Box & Papers - Great Condition - December 2024 - REPOST/REDUCED

Omega - 210.30.42.20.03.001 · $4,200

This Omega Seamaster Diver 300M Blue on Bracelet is a 42mm watch that comes with an authentic OEM rubber strap in blue and is under warranty through December 2029.

Condition: Great Condition, minor scuffs on the clasp and case
Bracelet condition: plenty of hairline scratches along with minor/shallow scuffs on the clasp
Case condition: minor scuffs
Crystal condition: flawless

Posted at

Mar 1, 2026, 2:17 PM

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