Omega Seamaster 300 Seamaster 300 Master Chronometer Stainless Steel / Blue / Bracelet

Reference 234.30.41.21.03.001

Omega Seamaster 300 Master Chronometer Stainless Steel / Blue / Bracelet

About this watch

The Omega Seamaster 300 Master Chronometer, reference 234.30.41.21.03.001, is a stunning example of craftsmanship and precision fused into a timepiece. Its striking blue dial, crafted from high-quality stainless steel, exudes durability and elegance. The watch seamlessly transitions between casual and formal settings, making it suitable for both everyday wear and special occasions. At the core of the Seamaster 300 lies the automatic Omega Caliber 8912, featuring a chronometer and co-axial escapement for exceptional accuracy and reliability. This movement is built to last, with 38 jewels and a 60-hour power reserve. The watch's impressive water resistance of 300 meters ensures it can withstand even the most demanding underwater adventures. The Omega Seamaster 300 Master Chronometer is not just a timepiece; it's a celebration of craftsmanship, innovation, and style. Its rich history, modern features, and breathtaking design make it an investment that any watch enthusiast would be proud to own.

Buy Now on Jomashop

This is an affiliate link

MSRP: $7,100

Market Price: $4,467

Key Features

Automatic Omega Caliber 8912 movement
300 meters water resistance
41mm stainless steel case diameter
38 jewels for exceptional accuracy
60-hour power reserve for reliability
Co-axial escapement for reduced friction and increased accuracy
Chronometer certification for precision and reliability

Specifications

Brand

Omega

Family

Seamaster 300

Model

Seamaster 300 Master Chronometer Stainless Steel / Blue / Bracelet

Reference

234.30.41.21.03.001

Movement

8912

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

41mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,290

Omega - 2222.80 · $2,290

The Omega Seamaster 300M Co-Axial Mid-size is a 36mm automatic watch featuring the co-axial cal 2500 movement. It has a steel case, original Omega steel bracelet, and sapphire crystal.

Condition: 8.9/10 - great condition with minimal marks
Movement: Co-Axial Cal 2500
Bracelet size: fits up to 7-7.25 inch wrists
Shipping: Fedex Priority Shipping from Philippines with 3-5 days global delivery time

Posted at

Dec 17, 2025, 8:46 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300M Ref. 212.30.41.20.01.005 – “James Bond 41mm” – LE 10059/11007 – Watch + Cards 💥 – $3,999 Shipped

Omega - 212.30.41.20.01.005 · $3,999

The Omega Seamaster Diver 300M James Bond Limited Edition is a numbered limited run iconic Bond reference, featuring a 41mm stainless steel case and Co-Axial Chronometer movement. It has a black 007 dial, display caseback with 'James Bond 50 Years' rotor, and 300m water resistance.

Condition: Very good overall with normal wear
Case size: 41mm
Water resistance: 300m
Movement: Co-Axial Chronometer

Posted at

Dec 15, 2025, 9:55 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300 41mm Titanium on Titanium Ref. 233.90.41.21.03.001 (2022) - Pre-Owned Good Condition w/ Box & Papers

Omega - 233.90.41.21.03.001 · $5,500

The Omega Seamaster 300 is a lightweight titanium diver's watch with a striking blue dial and 41mm case, built for adventure yet refined for everyday wear.

Condition: Pre-Owned good condition
Case Diameter: 41mm
Movement: Automatic, Calibre 8400
Water Resistance: 30 ATM

Posted at

Dec 15, 2025, 6:59 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300 233.30.41.21.01.001 - Full Kit

Omega - 300 233.30.41.21.01.001 · $3,750

A Seamaster 300 from Omega, featuring a 41mm case diameter and 300m water resistance.

Movement: Omega 8400 Co-Axial
Crystal: Sapphire
Water resistance: 300m

Posted at

Dec 15, 2025, 11:33 AM

Active

View listing on r/WatchExchange

Vintage 1966 Omega Seamaster 300 165.024 Calibre 550 Fresh Service!

Omega - 165.024 · $6,950

A vintage Omega Seamaster 300 with original bracelet and engraving on the caseback, freshly serviced.

Condition: Decent, with even patina on the dial
Bracelet: Original
Caseback: Engraving still visible

Posted at

Dec 15, 2025, 9:15 AM

Active

View listing on r/WatchExchange

Iconic Diver: Omega Seamaster 300M Blue - 2025 - Unworn

Omega - 210.30.42.20.03.001 · $4,400

The Omega Seamaster Diver 300M Co-Axial Master Chronometer features a deep blue ceramic dial with laser-engraved waves, 42mm stainless steel case, and a blue ceramic bezel. It includes Omega's METAS-certified Caliber 8800 and has 300 meters of water resistance.

Condition: Unworn
Case diameter: 42mm
Water resistance: 300m
Movement: Caliber 8800

Posted at

Dec 14, 2025, 2:28 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster 300M - Blue Wave Dial

OMEGA - 210.30.42.20.03.001 · $3,950

This OMEGA Seamaster Diver 300M features a blue wave dial and is part of the current-generation redesign with ceramic bezel and METAS-certified Master Chronometer movement.

Condition: Pre-owned, excellent condition with minimal handling wear
Case size: 42mm diameter
Bezel material: ceramic
Movement certification: METAS-certified Master Chronometer

Posted at

Dec 14, 2025, 11:31 AM

Active

View listing on r/WatchExchange