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.

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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 300 James Bond No Time To Die NTTD 210.90.42.20.01.001 ( new / 2025 / box and papers )

Omega - 210.90.42.20.01.001 · $8,850

This listing is for a brand new Omega Seamaster 300 James Bond No Time To Die reference # 210.90.42.20.01.001, coming with all original packaging and documentation.

Condition: Brand new
Case material: Titanium
Case size: 42mm diameter
Warranty date: 2025

Posted at

Apr 27, 2026, 1:15 PM

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Omega Seamaster 300M James Bond 60th Anniversary 210.30.42.20.03.002 ( new / 2025 / box and papers )

Omega - 210.30.42.20.03.002 · $7,750

Up for sale is a brand new Omega Seamaster 300M 007 James Bond 60th Anniversary, reference # 210.30.42.20.03.002.

Condition: Brand new
Case size: 42mm
Movement: Omega 8806 Calibre

Posted at

Apr 27, 2026, 1:08 PM

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Omega Seamaster 300M Co-Axial 2220.80 41mm Box and Papers - $2,950

Omega - 2220.80 · $2,950

Up for sale is my Omega Seamaster 2220.80, a 41mm automatic co-axial cal 2500 movement watch in great condition.

Condition: 8.9/10, great condition with minimal marks/hairlines on the case, caseback, and bracelet
Movement: co-axial cal 2500
Bracelet size compatibility: 7 - 7.25 inch wrists
Shipping method: Fedex Priority Shipping

Posted at

Apr 26, 2026, 10:01 PM

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Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,250

Omega - 2222.80 · $2,250

This Omega Seamaster 300M Co-Axial Mid-size 36mm features an automatic co-axial cal 2500 movement and a steel case on original Omega steel bracelet.

Condition: 8.9/10 - great condition with minimal marks/hairlines on case, caseback, bracelet, and Bezel insert.
Case size: 36mm
Movement: co-axial cal 2500
Bracelet size: 7-7.25 inch wrists

Posted at

Apr 26, 2026, 9:56 PM

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Omega Seamaster 300 41mm Blue – Full Set – Excellent Condition – $3,300

Omega - 212.30.41.20.03.001 · $3,300

A beautiful Omega Seamaster 300 with a blue dial, one of Omega's most iconic and reliable dive watches, in excellent overall condition.

Condition: Used – Very Good (9/10)
Case size: 41mm
Dial color: Blue
Crystal condition: Clean with no scratches

Posted at

Apr 26, 2026, 8:43 PM

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Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega - 2222.80 · $2,190

The Omega Seamaster 300M Co-Axial Mid-size is a 36mm automatic watch with an Omega co-axial cal 2500 movement. It features a steel case on original Omega steel bracelet and has all functions working well.

Condition: Very good (8.9/10)
Case size: 36mm
Movement type: co-axial cal 2500
Bracelet length: up to 7-7.25 inch wrists

Posted at

Apr 23, 2026, 9:45 PM

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Omega Seamaster 300 Vintage Super Complete Kit Ref. 165.024

Omega - 165.024

A vintage Omega Seamaster 300 is being sold as a complete kit with its original documents dating back to January 23, 1970.

Type: Seamaster 300 Vintage Super Complete Kit

Posted at

Apr 23, 2026, 6:13 PM

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Omega Seamaster 300m Full kit- $4250

Omega - 300m 42mm · $4,250

A complete Omega Seamaster 300m full kit, featuring a 42mm case size, undated card and purchase receipt from 2021. It runs well on timegrapher and is overall in good pre-owned condition.

Condition: good pre owned condition
Water Resistance: 300m depth rating

Posted at

Apr 23, 2026, 3:30 PM

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Omega Seamaster 300M Black Aluminum / Orange 210.30.42.20.01.018 ( new / 2025 / box and papers )

Omega - 210.30.42.20.01.018 · $6,200

This Omega Seamaster 300M is a brand new watch with a black aluminum dial and orange accents, featuring a master co-axial movement and a stainless steel case.

Condition: Brand new
Case size: 42mm diameter
Movement type: Master Co-Axial

Posted at

Apr 23, 2026, 2:00 PM

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