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

2025 Omega Seamaster Diver 300M 210.30.42.20.01.018 Full Set $6,250

Omega - 210.30.42.20.01.018 · $6,250

A modern dive watch featuring a clean black dial configuration and full stainless steel bracelet, powered by the Omega Co-Axial Master Chronometer Calibre 8800.

Condition: Mint (pre-owned, minimal to no wear)
Movement: Omega Calibre 8800 Master Chronometer
Case size: 42mm diameter
Case material: Stainless steel

Posted at

May 2, 2026, 6:13 PM

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Omega Seamaster Diver 300M 🔵 🟦 212.30.41.20.03.001 41mm | Excellent Condition (With Box And Warranty Cards)

Omega - 212.30.41.20.03.001 · $3,500

This Omega Seamaster Diver 300M is dated November 2018 and features an updated clasp with on-the-fly microadjustment.

Condition: Excellent Condition
Case size: 41mm
Strap: Omega OEM Rubber Strap

Posted at

May 2, 2026, 3:49 PM

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2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

Omega - 210.30.42.20.10.001 · $5,395

Up for sale is a Omega Seamaster Diver 300m Green Seaweed, featuring a reference number of 210.30.42.20.10.001 and made in 2024.

Condition: Excellent condition with minimal signs of wear
Year: 2024
Shipping: Fully insured through Fedex within 24 hours

Posted at

May 2, 2026, 12:46 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 dive watch known for its distinctive ceramic wave dial and strong everyday versatility. The white dial paired with black accents provides a clean, high-contrast look that stands out within the Seamaster lineup.

Condition: Great (pre-owned, hairlines on case and bezel)
Case Size: 42mm diameter
Case Material: Stainless steel
Movement: Automatic (Omega Calibre 8800 Master Chronometer)

Posted at

May 2, 2026, 9:34 AM

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Omega Seamaster Diver 300M "No Wave" - 41mm Ceramic Bezel. Box and cards

Omega - 212.30.41.20.01.003 · $3,300

A discontinued Omega Seamaster Professional 300M 'No Wave' model from 2017, featuring a 41mm case and a unique black lacquer dial. This specific year is notable as it's one of the last production years for this reference before Omega switched to larger models. The watch includes a premium wooden presentation box and an international warranty card.

Condition: Light wear with no deep scratches
Case size: 41mm diameter
Thickness: ~13mm
Dial material: black gloss lacquer

Posted at

May 1, 2026, 9:17 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

The Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, combining stainless steel with 18K Moonshine Gold and featuring a white ceramic dial.

Condition: UNWORN
Case material: stainless steel and 18K Moonshine Gold
Diameter: 42mm
Movement: Calibre 8800 Master Chronometer

Posted at

May 1, 2026, 8:00 PM

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2023 Omega Seamaster Diver 300M "No Time To Die" 210.90.42.20.01.001 James Bond 007 NTTD Box and Papers

Omega - 210.90.42.20.01.001 · $8,277

This Omega Seamaster Diver 300M James Bond Edition 'No Time To Die' is a 2023 model, featuring a titanium case and brown leather travel case. It comes with its original box, papers, and international warranty card.

Condition: Preowned with signs of wear on the case, bracelet, and buckle
Case material: Titanium
Case size: 42mm diameter
Water resistance: 300m depth rating

Posted at

May 1, 2026, 2:41 PM

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Omega Seamaster Diver 300M 42mm Ref. 210.32.42.20.01.001 Full Set

Omega - 210.32.42.20.01.001 · $4,075

The Omega Seamaster Diver 300M features a black ceramic wave dial and matching black rubber strap. It has the in-house Calibre 8800 automatic movement and is METAS certified for accuracy, anti-magnetism, and reliability.

Condition: Excellent, very good with only light wear consistent with careful ownership
Movement: Calibre 8800
Case size: 42mm
Water resistance: 300m

Posted at

May 1, 2026, 12:34 PM

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