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

Reference 234.30.41.21.01.001

Omega Seamaster 300 Master Chronometer Stainless Steel / Black / Bracelet

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 300 Heritage - Full Set

Omega Seamaster 300 Heritage - Full Set

Omega - 234.30.41.21.01.001 · $4,750
This Omega Seamaster 300 Heritage features a black dial, stainless steel case, and a black oxalic anodized aluminum bezel with vintage Super-LumiNova diving scale. It is presented on a stainless steel bracelet and powered by the OMEGA Co-Axial Master Chronometer Calibre 8912.

  • Condition: Excellent
  • Bracelet material: stainless steel
  • Bezel material: black oxalic anodized aluminum
  • Case size: 41mm
Posted at
Apr 19, 2026, 7:01 PM
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[WTS] 2023 Mint Full Set Omega Seamaster 300 Heritage 234.30.41.21.01.001 $5600

2023 Mint Full Set Omega Seamaster 300 Heritage 234.30.41.21.01.001 $5600

Omega - 234.30.41.21.01.001 · $5,600
The Omega Seamaster 300 Heritage is a 41mm stainless steel watch designed for divers and professionals, featuring a black dial and bezel with vintage-style hour markers and diving scale.

  • Condition: Mint
  • Case size: 41mm
  • Water resistance: 30m
Posted at
Apr 18, 2026, 2:15 PM
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[WTS] Omega Seamaster Heritage - Full Set

Omega Seamaster Heritage - Full Set

Omega - 234.30.41.21.01.001 · $4,850
This Omega Seamaster Heritage features a 41 mm stainless steel case with a black dial, black oxalic anodized aluminium bezel, and a transparent sapphire crystal caseback showing the OMEGA Co-Axial Master Chronometer Calibre 8912.

  • Condition: Excellent
  • Bracelet material: stainless steel
  • Crystal type: sapphire crystal
Posted at
Apr 10, 2026, 5:23 PM
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[WTS] Omega Seamaster 300 | Reference 2220.80 | James Bond 007 "Casino Royale"

Omega Seamaster 300 | Reference 2220.80 | James Bond 007 "Casino Royale"

Omega - 2220.80
The Omega Seamaster 300 is a tribute to the James Bond 'Casino Royale' movie, with its sleek design and rich history making it a highly sought-after timepiece among collectors.

Posted at
Apr 20, 2026, 3:06 PM
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[WTS] Uncle Seiko US1450 Bracelet (Omega Seamaster 300m)

Uncle Seiko US1450 Bracelet (Omega Seamaster 300m)

· $85
A Uncle Seiko US1450 Bracelet designed for the Omega Seamaster 300m, available with all links and a double button milled clasp.

  • Lug size: 20mm
  • Wrist size: 17.5 cm
Posted at
Apr 20, 2026, 1:16 PM
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[WTS] Omega Seamaster 300M Black Black Diver 210.92.44.20.01.003 ( unworn / 2025 / box and papers )

Omega Seamaster 300M Black Black Diver 210.92.44.20.01.003 ( unworn / 2025 / box and papers )

Omega - 210.92.44.20.01.003 · $6,750
This Omega Seamaster 300M 'Black Black' features a black ceramic case, 8806 Master Co-Axial movement and comes with all original boxes, papers and warranty card.

  • Condition: unworn
  • Case size: 43.5mm diameter
  • Movement: 8806 Master Co-Axial Movement
Posted at
Apr 20, 2026, 11:48 AM
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[WTS] Omega Seamaster 300 White 42mm 210.32.42.20.04.001 ( excellent / 2025 / box and papers )

Omega Seamaster 300 White 42mm 210.32.42.20.04.001 ( excellent / 2025 / box and papers )

Omega - 210.32.42.20.04.001 · $4,650
A white wave dial Omega Seamaster 300 on a rubber strap, with all boxes and papers included.

  • Condition: Excellent Condition
  • Case size: 42mm diameter
  • Movement type: 8800 Master Co-Axial Movement
Posted at
Apr 20, 2026, 11:43 AM
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[WTS] Omega OEM Seamaster 300 SMP bracelet

Omega OEM Seamaster 300 SMP bracelet

Omega - SMP · $425
A 42mm Omega Seamaster with OEM bracelet for sale, worn a few times and in good condition.

  • Condition: Good condition overall
  • Bracelet type: OEM Seamaster
  • Condition detail: Worn a few times
  • Case size: 42mm
Posted at
Apr 20, 2026, 10:14 AM
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[WTS] Brand New 2026 Omega Seamaster 300M “James Bond 60th Anniversary” – Full Set Ref: 210.30.42.20.03.002 $7,500

Brand New 2026 Omega Seamaster 300M “James Bond 60th Anniversary” – Full Set Ref: 210.30.42.20.03.002 $7,500

Omega - 210.30.42.20.03.002 · $7,500
The Omega Seamaster 300M 'James Bond 60th Anniversary' is a limited-edition tribute to GoldenEye with unique vintage cues and a standout caseback. It features a stainless steel mesh-style bracelet, no-date configuration, and Co-Axial Master Chronometer Calibre 8806.

  • Condition: Brand New / Unworn / Fully Stickered
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
Apr 18, 2026, 10:37 PM
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