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

Reference 210.30.42.20.03.001

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

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of watchmaking, boasting a robust 42mm stainless steel case, blue ceramic bezel with rotating 0-60 scale, and stunning blue dial with wave pattern. Protected by sapphire crystal, this timepiece showcases the intricate Omega caliber 8800 movement, featuring Co-Axial escapement and Master Chronometer certification for exceptional accuracy and resilience against magnetic fields up to 15,000 gauss.

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MSRP: $5,900

Market Price: $3,806

Key Features

42mm stainless steel case
Blue ceramic bezel with rotating 0-60 scale
Stunning blue dial with wave pattern
Sapphire crystal protection
Omega caliber 8800 movement
Co-Axial escapement
Master Chronometer certification
Water resistance up to 300 meters

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

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

Reference

210.30.42.20.03.001

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 42mm White Dial 210.30.42.20.04.001 | Full Set

OMEGA - 210.30.42.20.04.001 · $4,500

A 2020 OMEGA Seamaster Diver 300M with a white dial, 42mm case size, and excellent timekeeping performance.

Condition: Outstanding condition, with only a few faint hairline marks on the bracelet from light wear.
Movement: Omega 8800
Bracelet size: 8.25 inches, will fit wrists up to approximately 8.25"
Box condition: [object Object]

Posted at

Jan 28, 2026, 4:24 PM

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2025 Omega Seamaster Diver 300m Green Dial on Bracelet 210.30.42.20.10.001 B+P

Omega - 210.30.42.20.10.001 · $4,900

The Omega Seamaster Diver 300M reference number 210.30.42.20.10.001 features a stunning green wave-pattern dial paired with a green ceramic bezel, a 42 mm case diameter, and exceptional precision thanks to its Co-Axial Master Chronometer Caliber 8800 movement.

Condition: Excellent
Diameter: 42mm
Movement: Self-winding Mechanical
Bezel material: Green Ceramic

Posted at

Jan 28, 2026, 10:19 AM

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2023 Omega Seamaster Diver 300m White Dial on Bracelet 210.30.42.20.04.001 B+P

Omega - 210.30.42.20.04.001 · $4,600

This watch features a stunning white wave-pattern dial paired with a black ceramic bezel, and is equipped with Omega's Co-Axial Master Chronometer Caliber 8800 movement, offering exceptional precision, anti-magnetic protection, and 300-meter water resistance.

Condition: Excellent
Movement: Self-winding Mechanical
Case material: Stainless Steel
Bezel material: Black Ceramic

Posted at

Jan 28, 2026, 10:09 AM

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1999 Midsize Omega Seamaster Diver 300M, with box and papers! - $2450 shipped!!

Omega - 2551.80 · $2,450

This listing is for a genuine Midsize Omega Seamaster Diver 300M from 1999, featuring an automatic movement and 36mm case size.

Condition: 9/10 with minor scratches
Movement: Cal. 1120 automatic
Case size: 36mm diameter

Posted at

Jan 28, 2026, 7:04 AM

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Omega Seamaster Diver 300M 210.32.42.20.01.003 with Box, Papers, and aftermarket bracelets

Omega - 210.32.42.20.01.003 · $4,999

A Omega Seamaster Diver 300M is being sold with its original box, papers, and aftermarket bracelets. The watch has some minor scuffs on the lugs but overall is in great condition.

Condition: 9/10 with slight wear on lugs
Box: yes
Papers: yes
Bracelets: 2 aftermarket mesh bracelets

Posted at

Jan 26, 2026, 8:32 PM

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Omega Seamaster Diver 300M Nekton Edition 210.32.42.20.01.002 Full Kit

Omega - 210.32.42.20.01.002 · $4,299

A special edition Omega Seamaster Diver 300M Nekton Edition, featuring a titanium bezel and submarine caseback engraving. The watch is equipped with an automatic Caliber 8806 Master Chronometer movement.

Condition: Excellent condition overall
Case size: 42mm
Material: Stainless steel
Dial description: Black laser-ablated ceramic dial

Posted at

Jan 25, 2026, 11:12 PM

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2020 Omega Seamaster Diver 300M 42MM White Dial Steel Bracelet (210.30.42.20.04.001) - $3,995

Omega - 210.30.42.20.04.001 · $3,995

This Omega Seamaster Diver 300M is a 2020 model with a 42MM white dial and steel bracelet.

Condition: Good Condition
Retail Price: $6,700
Service Date: September 2025

Posted at

Jan 25, 2026, 11:43 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! 🔥$8,250🔥

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 stainless steel and 18K Moonshine Gold case, laser-structured diving scale, and custom typography on the date disc.

Condition: [UNWORN]
Case Size: 42mm diameter
Movement: Calibre 8800 Master Chronometer
Water Resistance: 300m depth rating

Posted at

Jan 23, 2026, 9:07 PM

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Omega Seamaster Diver 300M James Bond 60th Anniversary 42mm Blue Dial 210.30.42.20.03.002

Omega - 210.30.42.20.03.002 · $6,550

This Omega Seamaster Diver 300M James Bond 60th Anniversary edition features a 42mm blue dial case with a Master Chronometer card and warranty card included.

Condition: In very good condition, rated at 9.7/10
Box Set: true
Papers: true
Warranty Card: 2023

Posted at

Jan 23, 2026, 10:06 AM

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