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] MAR 2025 Omega Seamaster 300M Ceramic and titanium 43.5mm 210.92.44.20.01.002

MAR 2025 Omega Seamaster 300M Ceramic and titanium 43.5mm 210.92.44.20.01.002

Omega - 210.92.44.20.01.002 · $6,200
A 43.5mm Omega Seamaster 300M Ceramic and titanium model from the MAR 2025 production run, featuring a barely worn OEM rubber strap and buckle.

  • Condition: Near mint
  • Case Material: Ceramic and titanium
  • Case Size: 43.5mm diameter
  • Strap Type: Authentic Omega rubber strap
Posted at
Dec 6, 2025, 12:04 PM
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[WTS] Omega Seamaster 300M 42mm “Great White” – Ref. 210.32.42.20.04.001 — Box + Manual 🤍 – $3,799 Shipped

Omega Seamaster 300M 42mm “Great White” – Ref. 210.32.42.20.04.001 — Box + Manual 🤍 – $3,799 Shipped

Omega - 210.32.42.20.04.001 · $3,799
This Omega Seamaster Diver 300M 'White Wave' features a 42mm case, ceramic bezel, rubber strap, Master Chronometer Cal. 8800, display caseback, and 300m water resistance.

  • Condition: Excellent overall with minor scuffs and scratches
  • Case diameter: 42mm
  • Water resistance: 300m
Posted at
Dec 5, 2025, 9:56 PM
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[WTS] Omega Seamaster 300 233.30.41.21.01.001 - Full Kit

Omega Seamaster 300 233.30.41.21.01.001 - Full Kit

Omega - 300 233.30.41.21.01.001 · $3,950
A 41mm Omega Seamaster 300 with a sapphire crystal and 300m water resistance, powered by the Omega 8400 Co-Axial movement.

  • Movement: Omega 8400 Co-Axial
Posted at
Dec 5, 2025, 4:26 PM
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[WTS] Omega Seamaster 300m Peter Blake 2262.50

Omega Seamaster 300m Peter Blake 2262.50

Omega - 2262.50 · $1,699
This listing features a Omega Seamaster 300m Peter Blake watch, specifically the model number 2262.50, with 36mm in size and powered by quartz movement.

  • Case size: 36mm diameter
Posted at
Dec 4, 2025, 3:33 PM
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[WTS] Omega Seamaster 300m Peter Blake 2262.50

Omega Seamaster 300m Peter Blake 2262.50

Omega - Seamaster 300m Peter Blake 2262.50
Posted at
Dec 4, 2025, 3:33 PM
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[WTS] Omega Seamaster 300M 42mm “Blue Wave” – Ref. 210.32.42.20.03.001 – $3,799 Shipped

Omega Seamaster 300M 42mm “Blue Wave” – Ref. 210.32.42.20.03.001 – $3,799 Shipped

Omega - 210.32.42.20.03.001 · $3,799
This Omega Seamaster Diver 300M is a Master Chronometer Cal. 8800 with 300m water resistance and a display caseback, featuring a 42mm diameter case.

  • Condition: Excellent overall with normal light wear
  • Case Size: 42mm diameter
  • Water Resistance: 300m
  • Movement: Calibre 8800
Posted at
Dec 3, 2025, 9:14 PM
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[WTS] Omega Seamaster 300 professional quartz. 41mm. Nice condition, no trades $2100 shipped.

Omega Seamaster 300 professional quartz. 41mm. Nice condition, no trades $2100 shipped.

Omega - Seamaster 300 Professional · $2,100
The Omega Seamaster 300 professional quartz is a 41mm watch. It's in nice condition and available for $2100 shipped.

  • Condition: Nice condition
  • Case size: 41mm
  • Movement type: quartz
Posted at
Dec 3, 2025, 5:32 PM
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[WTS] Omega OEM Rubber Strap for Seamaster 300M - Very Nice !

Omega OEM Rubber Strap for Seamaster 300M - Very Nice !

· $225
Posted at
Dec 2, 2025, 11:16 AM
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[WTS] Vintage 1966 Omega Seamaster 300 165.024 Calibre 550 Fresh Service!

Vintage 1966 Omega Seamaster 300 165.024 Calibre 550 Fresh Service!

Omega - 165.024 Calibre 550 · $6,950
This Omega Seamaster 300 is a vintage watch with an original bracelet and engraving on the caseback. It has been freshly serviced and comes with a 1 year warranty.

  • Condition: Decent
  • Bracelet condition: Original
  • Dial patina: Nice even
Posted at
Dec 1, 2025, 9:55 AM
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