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

Reference 234.30.41.21.01.001

About this watch

The Omega Seamaster 300 Master Chronometer is a luxurious timepiece that embodies the spirit of adventure while delivering peak performance. Its stunning black dial, mixed indexes, and arrow-shaped hands create a sophisticated look that's perfect for formal or casual settings. The sapphire crystal glass provides excellent clarity, and the open case back showcases Omega's craftsmanship. This watch is built to withstand diving conditions with its robust stainless steel bracelet and 300-meter water resistance. At its core beats the Omega caliber 8912, an automatic movement featuring a Co-Axial escapement that minimizes friction, enhancing precision and reliability. The Seamaster 300 Master Chronometer is a certified chronometer that promises reliability, making it a worthy companion for years to come.
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MSRP: $7,100
Market Price: $4,115

Key Features

  • 41mm Round Case
  • Stainless Steel Bracelet with 21mm Lug Width
  • Sapphire Crystal Glass
  • Omega Caliber 8912 Automatic Movement
  • Co-Axial Escapement and METAS Certification
  • 300-Meter Water Resistance

Specifications

Brand
Omega
Family
Seamaster 300
Model
Seamaster 300 Master Chronometer Stainless Steel / Black / Bracelet
Reference
234.30.41.21.01.001
Movement
8912
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster 300m James Bond 41mm Automatic 2531.80

Omega Seamaster 300m James Bond 41mm Automatic 2531.80

  • Material: stainless steel
  • Size: 41mm diameter
Posted at
Mar 11, 2026, 7:54 PM
Active
[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
Active
[WTS] Omega Seamaster 300 Heritage - Near Mint - +2 Straps - Under Warranty

Omega Seamaster 300 Heritage - Near Mint - +2 Straps - Under Warranty

This Omega Seamaster 300 Heritage features a blue sandwich dial and vintage-inspired design, blending classic aesthetics with modern technology and METAS certification.

  • Condition: Near Mint
  • Case size: 41mm diameter
  • Movement: Calibre 8912 - Omega Master Chronometer automatic movement
  • Bezel direction: Unidirectional dive bezel
Posted at
Mar 10, 2026, 11:01 AM
Active
[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
Active

(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.

  • Status: (SOLD)
Posted at
Apr 7, 2025, 10:22 AM
Active
Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

This Omega Seamaster 300M features a 42mm stainless steel case with a black aluminum dial and mesh bracelet, powered by the Master Co-Axial Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: 8806 Master Co-Axial
Posted at
Apr 6, 2025, 4:26 PM
Active
Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )

This Omega Seamaster 300M 42mm features a Summer Blue dial on a stainless steel bracelet, powered by the Master Co-Axial movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement type: Master Co-Axial
Posted at
Apr 4, 2025, 2:51 PM
Active
Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

A black ceramic and 18K gold Omega Seamaster 300M with a wave dial, measuring 43.5mm in diameter.

  • Condition: Very Good (VG)
  • Case size: 43.5mm
  • Material: Black Ceramic and 18K Gold
Posted at
Apr 4, 2025, 12:18 PM
Active
Omega Seamaster 300M - 210.32.42.20.03.001

Omega Seamaster 300M - 210.32.42.20.03.001

This Omega Seamaster 300M is a high-end diving watch with a 42mm case size and 300m water resistance rating. It features a very good condition, minor-wear-only case with perfect front and back sapphire crystals.

  • Condition: Very good condition
  • Case Size: 42mm
  • Water Resistance Rating: 300m (1000 ft.)
  • Depth Rating: 300m depth rating
Posted at
Apr 3, 2025, 4:36 PM
Active