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

Reference 234.32.41.21.01.001

About this watch

The Omega Seamaster 300 Master Chronometer is a luxurious dive watch that combines functionality with aesthetics. Its sleek design and impressive specifications make it a statement piece on the wrist. The 41mm round case made of stainless steel strikes a perfect balance between robustness and elegance, while the matte black finish gives it a stealthy look. The watch features a sapphire crystal, METAS-certified automatic movement, and a Co-Axial escapement that reduces friction and enhances longevity. With a water resistance rating of 300 meters, this watch is perfect for professional divers and casual swimmers alike. It's a versatile timepiece that can easily transition from day to night, making it suitable for both underwater exploration and formal occasions.
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MSRP: $6,700
Market Price: $4,573

Key Features

  • 41mm round stainless steel case
  • Sapphire crystal for added durability
  • METAS-certified Omega caliber 8912 automatic movement
  • Co-Axial escapement for reduced friction and enhanced longevity
  • 300-meter water resistance rating
  • Rotating bezel marked from 0 to 60
  • 21mm lug width for comfortable fit

Specifications

Brand
Omega
Family
Seamaster 300
Model
Seamaster 300 Master Chronometer Stainless Steel / Black / Strap
Reference
234.32.41.21.01.001
Movement
8912
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Iconic Diver: Omega Seamaster 300M Blue - 2025 - Unworn

Iconic Diver: Omega Seamaster 300M Blue - 2025 - Unworn

The Omega Seamaster Diver 300M Co-Axial Master Chronometer features a deep blue ceramic dial with laser-engraved waves, 42mm stainless steel case, and a blue ceramic bezel. It includes Omega's METAS-certified Caliber 8800 and has 300 meters of water resistance.

  • Condition: Unworn
  • Case diameter: 42mm
  • Water resistance: 300m
  • Movement: Caliber 8800
Posted at
Dec 14, 2025, 2:28 PM
Active
[WTS]  OMEGA Seamaster 300M - Blue Wave Dial

OMEGA Seamaster 300M - Blue Wave Dial

This OMEGA Seamaster Diver 300M features a blue wave dial and is part of the current-generation redesign with ceramic bezel and METAS-certified Master Chronometer movement.

  • Condition: Pre-owned, excellent condition with minimal handling wear
  • Case size: 42mm diameter
  • Bezel material: ceramic
  • Movement certification: METAS-certified Master Chronometer
Posted at
Dec 14, 2025, 11:31 AM
Active
[WTS] Omega Seamaster 300 212.30.41.20.01.003 Authenticated in Box

Omega Seamaster 300 212.30.41.20.01.003 Authenticated in Box

  • Condition: Authenticated in Box
  • Authentication: authenticated by Omega
Posted at
Dec 12, 2025, 9:40 AM
Active
[WTS] Omega Seamaster 300m ‘Electric Blue’ 2263.80

Omega Seamaster 300m ‘Electric Blue’ 2263.80

Omega - 2263.80 · $1,599
A 36mm Omega Seamaster 300m Quartz watch with an Electric Blue finish.

  • Size: 36mm diameter
  • Material: quartz
Posted at
Dec 11, 2025, 3:03 PM
Active
Omega Seamaster 300M Grey dial Full set 42MM [WTS]

Omega Seamaster 300M Grey dial Full set 42MM

A Omega Seamaster 300M with a grey dial, featuring a chronometer with date, helium escape valve, uni-rotating bezel, and transparent caseback.

  • Condition: Good condition
  • Case diameter: 42 MM
  • Dial color: Grey
  • Weight: 110 grams
Posted at
Dec 10, 2025, 7:19 PM
Active
[WTS] Omega Seamaster 300 Master Co-Axial – 41mm “Retro” – 233.30.41.21.01.001 – $3,399 Shipped

Omega Seamaster 300 Master Co-Axial – 41mm “Retro” – 233.30.41.21.01.001 – $3,399 Shipped

This Omega Seamaster 300 Master Co-Axial features a 41mm stainless steel case, black dial with vintage-tone lume, and a ceramic bezel.

  • Condition: Excellent overall with light, honest wear
  • Case size: 41mm
  • Water resistance: 300m
  • Movement type: Cal. 8400
Posted at
Dec 7, 2025, 9:47 PM
Active
[WTS] OMEGA Seamaster 300 Black - Full Set - B&P - 8/10 Condition

OMEGA Seamaster 300 Black - Full Set - B&P - 8/10 Condition

A study in stealth and sophistication featuring a laser-engraved wave-pattern dial and polished ceramic bezel in deep black. Paired with its brushed steel case and integrated bracelet, this 42mm watch delivers a powerful monochromatic statement.

  • Condition: 8/10, minor used handling marks on case
  • Case size: 42mm
  • Water resistance: 300m
Posted at
Dec 7, 2025, 7:50 PM
Active
[WTS] Omega Seamaster 300M Nekton 42mm 210.30.42.20.01.002 Full set

Omega Seamaster 300M Nekton 42mm 210.30.42.20.01.002 Full set

Up for sale is an Omega Seamaster 300M Nekton edition 42mm, featuring a primary matte finish dial with polished waves and solid case back.

  • Condition: Great to excellent condition, some marks on the case and bracelet
  • Movement: Omega Cal. 8806, METAS certified
  • Water resistance: not specified
  • Strap: OEM Omega rubber strap (can be included in the sale for additional cost)
Posted at
Dec 7, 2025, 12:02 PM
Active
[WTS] Omega Seamaster 300M - Ref # 212.30.41.20.03.001, 2018, Box and Papers

Omega Seamaster 300M - Ref # 212.30.41.20.03.001, 2018, Box and Papers

This Omega Seamaster Professional Diver 300M is a sleek 2018 model featuring a 41mm stainless steel case, blue dial, and automatic 2500 Co-Axial movement.

  • Condition: Very good
  • Case size: 41mm diameter
  • Material: stainless steel
  • Bezel type: blue ceramic uni-directional
Posted at
Dec 6, 2025, 6:01 PM
Active