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] Omega Seamaster 300 Green Diver 210.32.42.20.10.001 ( new / 2026 / box and papers )

Omega Seamaster 300 Green Diver 210.32.42.20.10.001 ( new / 2026 / box and papers )

A brand new Omega Seamaster 300 Green Diver on a rubber strap, with all original boxes and papers.

  • Condition: New
  • Case size: 42mm diameter
  • Movement: 8800 Master Co-Axial
Posted at
May 21, 2026, 12:13 PM
Active
[WTS] Omega Seamaster 300 Heritage 234.30.41.21.01.001 Full Set (2022) – Very Good Condition

Omega Seamaster 300 Heritage 234.30.41.21.01.001 Full Set (2022) – Very Good Condition

This Omega Seamaster 300 Heritage features a classic vintage-inspired design, black dial, and in-house Co-Axial Master Chronometer movement.

  • Condition: Very good condition
  • Movement: in-house Co-Axial Master Chronometer
  • Bracelet condition: some cosmetic wear consistent with normal use
Posted at
May 20, 2026, 11:31 PM
Active
[WTS] Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,250 - US BASED!

Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,250 - US BASED!

Omega - 2222.80 · $2,250
A good Omega Seamaster 300M Co-Axial Mid-size watch with an automatic co-axial cal 2500 movement and a 36mm steel case on original Omega steel bracelet.

  • Condition: 8.8/10 - great condition with minimal marks/hairlines on the case, caseback, and bracelet
  • Case size: 36mm diameter
  • Bracelet length: fits up to 7-7.25 inch wrists
  • Movement: automatic co-axial cal 2500
Posted at
May 20, 2026, 9:39 PM
Active
[WTS] Omega Seamaster 300m w/ Bracelet & Rubber (full set)

Omega Seamaster 300m w/ Bracelet & Rubber (full set)

Omega - Seamaster 300m · $3,999
A 2021 Omega Seamaster 300m with a well-loved appearance, running excellently and keeping near perfect time. It still has about 6 months left on warranty.

  • Condition: Used with scratching on bracelet and case
  • Water Resistance: 300m
  • Warranty Left: 6 months
  • Box And Papers: Yes
Posted at
May 20, 2026, 7:14 PM
Active
[WTS] Omega Seamaster 300 2531.80 w/extra straps and bracelets

Omega Seamaster 300 2531.80 w/extra straps and bracelets

Omega - 2531.80 · $2,900
A Omega Seamaster 300 ref. 2531.80, a well-maintained watch from 2007, recently serviced by an authorized Omega service center.

  • Condition: Great condition with slight marks throughout
  • Bracelets: OEM bracelet (full links) and Forstner Presidential bracelet
  • Straps: Zealande rubber strap and Artem Classic blue sailcloth with white stitching
Posted at
May 19, 2026, 9:26 PM
Active
[WTS] Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (NEW • UNWORN 5/2026 COMPLETE SET)

Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (NEW • UNWORN 5/2026 COMPLETE SET)

This Omega Seamaster 300M Blue is a 42MM watch with various accessories included in the sale.

  • Condition: New, unworn
  • Dimensions: 42MM diameter
  • Case contents: outer sleeve, outer box, inner box, cards, instruction manual, UPC stickers, AD shipping coffin, travel case
Posted at
May 19, 2026, 7:07 PM
Active
[WTS] Omega Seamaster 300M White 42MM - Ref 210.32.42.20.04.001 (NEW • UNWORN 5/2026 COMPLETE SET)

Omega Seamaster 300M White 42MM - Ref 210.32.42.20.04.001 (NEW • UNWORN 5/2026 COMPLETE SET)

A 42MM Omega Seamaster 300M White with a complete set of accessories and documentation.

  • Condition: new & unworn
  • Case size: 42MM diameter
  • Warranty card date: 05/18/2026
Posted at
May 19, 2026, 7:05 PM
Active
[WTS] Omega Seamaster 300m Peter Blake Auto Complete Set

Omega Seamaster 300m Peter Blake Auto Complete Set

Omega - 2054.50 · $3,999
This Omega Seamaster 300m Peter Blake is a complete set that includes a freshly serviced movement and various documentation.

  • Condition: Pre-owned with some wear and light marks
  • Warranty expiry date: 09/02
  • Scope of delivery: double box, 9/02 warranty card, pictograms x chronometer card, instruction booklet
Posted at
May 19, 2026, 9:52 AM
Active
[WTS] Omega Seamaster 300m Professional 210.32.42.20.01.001

Omega Seamaster 300m Professional 210.32.42.20.01.001

A black Omega Seamaster 300m Professional, a 42mm watch that has been serviced and polished.

  • Condition: Pre-owned, serviced and polished
  • Case diameter: 42mm
Posted at
May 18, 2026, 6:16 PM
Active