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

Reference 234.32.41.21.03.001

About this watch

The Omega Seamaster 300 Master Chronometer is a masterpiece of horology, blending vintage charm with cutting-edge technology. Its stunning blue matte finish and mixed indexes create a sophisticated look, while the 41.00 mm stainless steel case strikes a perfect balance between boldness and wearability. The rotating bezel is functional and scratch-resistant sapphire crystal enhances visibility and durability. Powering this watch is the Omega caliber 8912 movement, boasting automatic winding, Co-Axial Escapement, and METAS certification for precision and performance. With its impressive water resistance of up to 300 meters, this watch is perfect for diving, swimming, or everyday wear. Certified as a chronometer, it guarantees impeccable timekeeping and style. Whether formal or casual, the Seamaster 300 adapts to your personal style with its versatile design and interchangeable strap options.
Buy Now on Jomashop
This is an affiliate link
MSRP: $6,700
Market Price: $4,185

Key Features

  • Omega caliber 8912 movement
  • 41.00 mm stainless steel case
  • Scratch-resistant sapphire crystal
  • Rotating bezel for dive tracking
  • Up to 300 meters water resistance
  • Chronometer certified for precision and performance
  • Interchangeable strap options

Specifications

Brand
Omega
Family
Seamaster 300
Model
Seamaster 300 Master Chronometer Stainless Steel / Blue / Strap
Reference
234.32.41.21.03.001
Movement
8912
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
41mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster 300M - "No Time To Die" - 42mm

Omega Seamaster 300M - "No Time To Die" - 42mm

This Omega Seamaster Diver 300M features a lightweight titanium case, matte black tropical aluminum dial and bezel, and vintage-inspired details throughout, powered by Co-Axial Master Chronometer Calibre 8806.

  • Condition: Very good overall
  • Case material: Titanium
  • Case size: 42mm diameter
  • Movement caliber: Co-Axial Master Chronometer Calibre 8806
Posted at
Jan 24, 2026, 12:44 PM
Active
[WTS] Omega Seamaster 300m 41mm Full Size 2531.80 - FRESHLY OVERHAULED BY OMEGA 🧼 ($1K service, many parts replaced) - Full Kit - 2 year Omega warranty - $3700 firm shipped CONUS

Omega Seamaster 300m 41mm Full Size 2531.80 - FRESHLY OVERHAULED BY OMEGA 🧼 ($1K service, many parts replaced) - Full Kit - 2 year Omega warranty - $3700 firm shipped CONUS

Omega - 2531.80 · $3,700
This Omega Seamaster 300m is a full-size watch with a 41mm case, featuring a freshly overhauled movement and various parts replaced by Omega. It comes with a 2-year warranty and is in incredible condition.

  • Condition: Pre-owned, like new with minor desk dive scuffs on clasp
  • Warranty Years: 2
  • Service Cost: $1,000
  • Bracelet Condition: All pins replaced
Posted at
Jan 23, 2026, 4:00 PM
Active
[WTS] Omega Seamaster 300M VINTAGE (Ref 168.1503)

Omega Seamaster 300M VINTAGE (Ref 168.1503)

Omega - 168.1503 · $2,500
This vintage Omega Seamaster 300M is a numbers matching all ordinal watch from around 1984. It's being sold as a head only unit without a strap.

  • Condition: Super clean, runs well
  • Case size: 42mm diameter
  • Serial matching: numbers matching
Posted at
Jan 23, 2026, 3:22 PM
Active
[WTS] Omega Seamaster 300 Steel Pumpkin Patina Lollipop Hand (Unpolished/Serviced)

Omega Seamaster 300 Steel Pumpkin Patina Lollipop Hand (Unpolished/Serviced)

Additional details not available.

  • Condition: Unpolished/Serviced
Posted at
Jan 21, 2026, 8:59 PM
Active
[WTS] Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

The Omega Seamaster 300 Heritage is a vintage-inspired dive watch with a timeless design, featuring a black dial, broad arrow hands, and warm toned lume.

  • Condition: Excellent
  • Case material: steel
  • Bracelet type: matching
  • Box set included: true
Posted at
Jan 21, 2026, 3:02 PM
Active
[WTS] Omega Seamaster 300M Co-Axial 41mm 2220.80 Full Kit, + spare clean OEM Bezel Insert - $2,890

Omega Seamaster 300M Co-Axial 41mm 2220.80 Full Kit, + spare clean OEM Bezel Insert - $2,890

Omega - 2220.80 · $2,890
Up for sale is my Omega Seamaster 2220.80, featuring an automatic co-axial cal 2500 movement and measuring at 41mm.

  • Condition: 8.8/10 - great condition with minimal marks/hairlines
  • Case size: 41mm diameter
  • Bezel insert condition: scratches/fading, has a spare clean OEM bezel insert (9.5/10)
  • Movement: automatic co-axial cal 2500
Posted at
Jan 20, 2026, 8:42 PM
Active
[WTS] Omega Seamaster 300 Automatic Vintage Diver

Omega Seamaster 300 Automatic Vintage Diver

This Omega Seamaster 300 is a vintage automatic diver's watch. It is running at the time of posting and is being sold as a vintage piece.

  • Condition: Vintage, sold as-is
  • Movement: Automatic
  • Shipping: Worldwide
Posted at
Jan 20, 2026, 3:02 AM
Active
[WTS] Omega Seamaster 300 Heritage Blue - Full Set + Extra Straps - $5,500

Omega Seamaster 300 Heritage Blue - Full Set + Extra Straps - $5,500

This Omega Seamaster 300 Heritage Blue comes as a full set dated 2024, with two extra straps and is running as expected for a year-old watch.

  • Condition: Pre-owned with small scratches on high-polish surfaces
  • Case Size: 41mm diameter
  • Bracelet Size: ~6.5" wrist
  • Year: 2024
Posted at
Jan 19, 2026, 3:09 PM
Active
[WTS] Omega Seamaster 300 – Ref. 210.30.42.20.01.001 – 2019 – Full Set - $4099

Omega Seamaster 300 – Ref. 210.30.42.20.01.001 – 2019 – Full Set - $4099

This is a 2019 Omega Seamaster 300, one of the most popular modern dive watches, featuring an iconic design and Master Chronometer performance.

  • Condition: Used with honest wear, could benefit from a light polish to look like new
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
Posted at
Jan 18, 2026, 6:43 PM
Active