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

Reference 210.20.42.20.03.001

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

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of luxury watchmaking, blending precision with elegance. This stunning timepiece is not just a statement; it's a piece of art and a marvel of engineering. With its captivating blue dial, sunburst finish, and classic yet sporty aesthetic, this watch is sure to cast a spell on anyone who gazes at it. The round stainless steel case feels substantial without being overwhelming, while the rotating bezel, designed for divers, features a 0-60 scale crafted from blue ceramic. The open case back allows you to admire the intricate workings of the Omega caliber 8800 movement, a self-winding masterpiece that exemplifies precision and reliability. With its Co-Axial escapement resistant to magnetic fields up to 15,000 gauss, this watch is like having a personal bodyguard for your timekeeping needs. The Seamaster Diver 300M has undergone rigorous testing in accordance with the Master Chronometer certification process approved by METAS, meeting the highest standards of precision, performance, and magnetic resistance. Whether you're snorkeling in the Caribbean or exploring the depths of the Pacific, this watch is your loyal companion, built for serious divers and ocean enthusiasts.

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MSRP: $12,700

Market Price: $7,154

Key Features

Omega caliber 8800 movement with Co-Axial escapement
Water Resistance up to 300 meters
Scratch-resistant sapphire glass
Rotating bezel with blue ceramic
Stainless Steel / Yellow Gold / Blue Ceramic construction

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

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

Reference

210.20.42.20.03.001

Movement

8800

Movement Features

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

Case

42mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

Omega Seamaster Diver 300m / FULL SET / Professional Co-Axial / Black Wave Dial / 41mm / 212.30.41.20.01.002 / $3,099 Shipped!

Omega - 212.30.41.20.01.002 · $3,099

This Omega Seamaster Diver is a 41mm watch with a black wave dial and is part of the full set.

Case Diameter: 41mm

Posted at

May 27, 2026, 10:51 PM

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Omega Seamaster Diver 300M 210.30.42.20.01.001 Black Wave Dial Full Set

Omega - 210.30.42.20.01.001 · $4,050

The Omega Seamaster Diver 300M features a black ceramic bezel and laser-engraved wave dial with an exhibition caseback window.

Condition: Good condition overall, crystal and bezel are clean, bracelet shows normal signs of wear
Movement: Co-Axial Master Chronometer
Water resistance: 30 ATM (unknown depth rating)
Bracelet condition: shows normal signs of wear

Posted at

May 27, 2026, 7:55 PM

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2026 Omega Seamaster Diver 300M Summer Blue 1/26 Ref# 210.32.42.20.03.002 $4,899.00

Omega - 210.32.42.20.03.002 · $4,899

2026 Omega Seamaster Diver 300M Summer Blue features a beautiful gradient blue wave dial, automatic movement, and 55-hour reserve.

Condition: Excellent shape, minor hairlines on case and clasp
Case size: 42mm
Water resistance: 300M
Movement: 8800 METAS

Posted at

May 27, 2026, 9:17 AM

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2022 Omega Seamaster Diver 300M Black 4/22 Ref# 210.30.42.20.01.001 $4,199.00

Omega - 210.30.42.20.01.001 · $4,199

This 2022 Omega Seamaster Diver 300M Black features a beautiful black wave dial and bezel, automatic movement, and 300M water resistance.

Condition: Great shape with minor hairlines on case, clasp and bracelet are pretty clean.
Movement: 8806
Water Resistance: 300m
Diameter: 42mm

Posted at

May 27, 2026, 9:15 AM

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[US] Omega Seamaster Diver 300m - Blue Dial - 41mm - 212.30.41.20.03.001 - Full Set

Omega - 212.30.41.20.03.001 · $3,475

This Omega Seamaster Diver 300m features a blue dial and is housed in a 41mm case.

Condition: Fantastic condition with minor hairlines
Case Size: 41mm
Depth Rating: 300m

Posted at

May 27, 2026, 7:27 AM

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Omega Seamaster Diver 300M Trio |212.30.41.20.01.003 | 41MM black lacquer dials | All in excellent condition

This listing features three Omega Seamaster Diver 300M watches with 41MM black lacquer dials, all in excellent condition.

Posted at

May 26, 2026, 10:44 PM

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Omega Seamaster Diver 300M Co-Axial Master Chronometer — Green Wave Dial | Ref. 210.32.42.20.10.001 | w/ Box & Papers | $4900

Omega - 210.32.42.20.10.001 · $4,900

This listing is for an Omega Seamaster Diver 300M Co-Axial Master Chronometer with a green wave dial.

Box and papers included: true

Posted at

May 26, 2026, 9:01 PM

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Omega Seamaster Diver 300m. Ref 210.32.42.20.04.001 - 6/2025 Complete Set

Omega - 210.32.42.20.04.001 · $4,700

This Omega Seamaster Diver 300M features a stainless steel case, black aluminum bezel and white dial.

Condition: Very good pre-owned condition
Case size: 42mm diameter
Water resistance: 50m
Movement type: robust movement

Posted at

May 26, 2026, 12:09 AM

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Omega Seamaster Diver 300M Chronograph 210.22.44.51.01.001 Black Dial 44mm Full Set

Omega - 210.22.44.51.01.001 · $8,495

The Omega Seamaster Diver 300M Chronograph features a stainless steel and Sedna gold case, black wave-pattern dial on a black rubber strap, and an automatic Co-Axial chronograph movement. It comes with original box, warranty papers, and all contents.

Condition: very good condition with light signs of normal wear
Case size: 44mm diameter
Materials: stainless steel & Sedna gold
Movement type: automatic Co-Axial chronograph

Posted at

May 25, 2026, 10:16 PM

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