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

[WTS] Omega Seamaster 300m Black Ceramic/Gold 210.62.44.20.01.001

Omega Seamaster 300m Black Ceramic/Gold 210.62.44.20.01.001

This Omega Seamaster Diver 300M is a modern, worry-free daily driver with a fully ceramic case that's lightweight and virtually scratch-proof. The black finish makes it stealthy, but the 18K Sedna Gold accents give it warmth and luxury.

Posted at
Mar 10, 2026, 2:23 PM
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[WTS] OMEGA Seamaster 300M 2561.80

OMEGA Seamaster 300M 2561.80

OMEGA - 300M 2561.80 · $1,500
This Omega Seamaster 300M features a midsize design and quartz movement, with a bracelet circumference of approximately 17.5cm.

  • Condition: Excellent (9/10)
  • Bracelet circumference: approximately 17.5cm
  • Shipping: EU shipping preferred
Posted at
Mar 8, 2026, 1:06 PM
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[WTS] Omega Seamaster 300 210.30.44.51.03.001 COMPLETE SET 2021

Omega Seamaster 300 210.30.44.51.03.001 COMPLETE SET 2021

Omega - 210.30.44.51.03.001 · $5,550
For sale is an Omega Seamaster 300 reference 210.30.44.51.03.001, diameter measuring 44mm, in excellent condition with hardly any signs of wear.

  • Condition: Excellent
  • Size: 44mm diameter
  • Payment Methods Accepted: pretty much every payment method, including crypto
  • Location: southwest FL
Posted at
Mar 7, 2026, 1:51 PM
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[WTS] Omega Seamaster 300M Chronograph 44mm 210.30.44.51.01.001 Full Kit $5200

Omega Seamaster 300M Chronograph 44mm 210.30.44.51.01.001 Full Kit $5200

Omega - 210.30.44.51.01.001 · $5,200
This Omega Seamaster 300M Chronograph features a classic black dial with signature waves and chronograph functionality, available in a full kit box.

  • Condition: preworn condition with scratches on bezel and bracelet, clean dial and crystal
  • Case size: 44mm diameter
Posted at
Mar 6, 2026, 10:46 PM
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[WTS] 2018 Omega Seamaster 300M Chrono GMT 44MM Full Set 212.30.44.52.01.001 - Repost

2018 Omega Seamaster 300M Chrono GMT 44MM Full Set 212.30.44.52.01.001 - Repost

Omega - 212.30.44.52.01.001 · $3,999
2018 Omega Seamaster 300M Chrono GMT in a 44MM case, featuring a chronograph and date function.

  • Box condition: excellent and nearly mint
  • Papers condition: excellent and nearly mint
Posted at
Mar 6, 2026, 2:10 PM
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[WTS] 2023 Omega Seamaster 300M No Time To Die James Bond 007 Titanium 210.90.42.20.01.001 Complete Set Excellent

2023 Omega Seamaster 300M No Time To Die James Bond 007 Titanium 210.90.42.20.01.001 Complete Set Excellent

Omega - 210.90.42.20.01.001 · $8,797
This Omega Seamaster James Bond No Time to Die watch features a titanium bracelet and is part of the complete set.

  • Condition: Excellent
  • Contents: Complete Set
  • Bracelet material: titanium
Posted at
Mar 6, 2026, 12:09 PM
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[WTS] Omega Seamaster 300 Blue Wave 210.32.42.20.03.001 Complete Set

Omega Seamaster 300 Blue Wave 210.32.42.20.03.001 Complete Set

Posted at
Mar 6, 2026, 7:57 AM
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[WTS] Omega Seamaster 300m 2561.80 Midsize “Baby Bond”

Omega Seamaster 300m 2561.80 Midsize “Baby Bond”

Posted at
Mar 5, 2026, 4:53 PM
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[WTS] Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - Full Set

Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - Full Set

Omega - 233.30.41.21.01.001 · $3,950
  • Condition: Fantastic
  • Case size: 41mm
  • Dial color: Black
  • Warranty date: October 2015
Posted at
Mar 5, 2026, 8:37 AM
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