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

Reference 234.30.41.21.03.001

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

[WTS] Omega Seamaster 300 - James Bond 007 Commander - Limited Edition - $4,750 Shipped

Omega Seamaster 300 - James Bond 007 Commander - Limited Edition - $4,750 Shipped

Omega - 300 · $4,750
This Omega Seamaster 300 is a limited edition watch inspired by the James Bond 007 Commander. It features a unique design and is likely to be of interest to collectors.

  • Limited edition: true
  • Model name: Seamaster 300
Posted at
May 23, 2026, 12:43 PM
Active
[WTS] Omega Seamaster 300 1957 Trilogy

Omega Seamaster 300 1957 Trilogy

A used Omega Seamaster 300 from the 'The 1957 Trilogy' edition, in very good condition.

  • Condition: very good with minor scratches and scuffs
  • Case Condition: very good
  • Crystal Condition: very good
  • Bezel Condition: very good
Posted at
May 22, 2026, 7:40 PM
Active
[WTS] Omega Seamaster 300 Heritage 234.30.41.21.01.001 COMPLETE SET 2025

Omega Seamaster 300 Heritage 234.30.41.21.01.001 COMPLETE SET 2025

For sale is an Omega Seamaster 300 Heritage, this watch is in great condition, there is some light wear around the watch but nothing really deep or noticeable.

  • Condition: great condition with some light wear
  • Warranty Card Date: 2025
  • Complete Set: yes
Posted at
May 22, 2026, 11:28 AM
Active
[WTS] Omega Seamaster 300m Full set, w/ Bracelet and Rubber. CHEAP!

Omega Seamaster 300m Full set, w/ Bracelet and Rubber. CHEAP!

Omega - Seamaster 300m · $3,950
This Omega Seamaster 300m is a well-loved watch with excellent timekeeping, still under warranty for about 6 months. It comes with the full set, including box, cards, links, and an additional rubber strap.

  • Condition: Pre-owned with scratches on bracelet and case
  • Warranty Left: 6 months
  • Shipping Options: Fedex Hold at Location, meet in person, or video chat for payment
  • Payment Methods: Cash, Paypal G&S(+4.5%), Zelle(preferred), Bitcoin(+2.5%), USDT
Posted at
May 21, 2026, 5:00 PM
Active
[WTS] Omega Seamaster 300 SMP $3,995

Omega Seamaster 300 SMP $3,995

Omega - Seamaster 300 SMP · $3,995
Up for grabs is a Grey dial Omega Seamaster from Year: 2022 with a Size: 42mm diameter. Includes various accessories such as a Wooden omega box, card sleeve, all cards, omega book, zuludiver strap, forstner bracelet with the micro adjust, end links and pins.

  • Condition: Worn but in really good and well taken care of
  • Year: 2022
  • Size: 42mm diameter
  • Box: Wooden omega box
Posted at
May 21, 2026, 4:12 PM
Active
[WTS] Omega Seamaster 300M Black Aluminum 42mm 210.30.42.20.01.010 ( new / 2026 / box and papers )

Omega Seamaster 300M Black Aluminum 42mm 210.30.42.20.01.010 ( new / 2026 / box and papers )

A brand new Omega Seamaster 300M with a stainless steel case and black aluminum dial, complete with all boxes and papers.

  • Condition: Brand new
  • Case material: Stainless steel
  • Movement: 8806 Master Co-Axial
Posted at
May 21, 2026, 12:19 PM
Active
[WTS] Omega Seamaster 300 Green Diver 210.32.42.20.10.001 ( new / 2026 / box and papers )

Omega Seamaster 300 Green Diver 210.32.42.20.10.001 ( new / 2026 / box and papers )

A brand new Omega Seamaster 300 Green Diver on a rubber strap, with all original boxes and papers.

  • Condition: New
  • Case size: 42mm diameter
  • Movement: 8800 Master Co-Axial
Posted at
May 21, 2026, 12:13 PM
Active
[WTS] Omega Seamaster 300 Heritage 234.30.41.21.01.001 Full Set (2022) – Very Good Condition

Omega Seamaster 300 Heritage 234.30.41.21.01.001 Full Set (2022) – Very Good Condition

This Omega Seamaster 300 Heritage features a classic vintage-inspired design, black dial, and in-house Co-Axial Master Chronometer movement.

  • Condition: Very good condition
  • Movement: in-house Co-Axial Master Chronometer
  • Bracelet condition: some cosmetic wear consistent with normal use
Posted at
May 20, 2026, 11:31 PM
Active
[WTS] Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,250 - US BASED!

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

Omega - 2222.80 · $2,250
A good Omega Seamaster 300M Co-Axial Mid-size watch with an automatic co-axial cal 2500 movement and a 36mm steel case on original Omega steel bracelet.

  • Condition: 8.8/10 - great condition with minimal marks/hairlines on the case, caseback, and bracelet
  • Case size: 36mm diameter
  • Bracelet length: fits up to 7-7.25 inch wrists
  • Movement: automatic co-axial cal 2500
Posted at
May 20, 2026, 9:39 PM
Active