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.
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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 Co-Axial Mid-size 36mm 2222.80 - $2,250

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

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

  • Condition: 8.9/10 - great condition with minimal marks/hairlines on case, caseback, bracelet, and Bezel insert.
  • Case size: 36mm
  • Movement: co-axial cal 2500
  • Bracelet size: 7-7.25 inch wrists
Posted at
Apr 26, 2026, 9:56 PM
Active
[WTS] Omega Seamaster 300 41mm Blue – Full Set – Excellent Condition – $3,300

Omega Seamaster 300 41mm Blue – Full Set – Excellent Condition – $3,300

A beautiful Omega Seamaster 300 with a blue dial, one of Omega's most iconic and reliable dive watches, in excellent overall condition.

  • Condition: Used – Very Good (9/10)
  • Case size: 41mm
  • Dial color: Blue
  • Crystal condition: Clean with no scratches
Posted at
Apr 26, 2026, 8:43 PM
Active
[WTS] Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega - 2222.80 · $2,190
The Omega Seamaster 300M Co-Axial Mid-size is a 36mm automatic watch with an Omega co-axial cal 2500 movement. It features a steel case on original Omega steel bracelet and has all functions working well.

  • Condition: Very good (8.9/10)
  • Case size: 36mm
  • Movement type: co-axial cal 2500
  • Bracelet length: up to 7-7.25 inch wrists
Posted at
Apr 23, 2026, 9:45 PM
Active
[WTS] Omega Seamaster 300 Vintage Super Complete Kit Ref. 165.024

Omega Seamaster 300 Vintage Super Complete Kit Ref. 165.024

A vintage Omega Seamaster 300 is being sold as a complete kit with its original documents dating back to January 23, 1970.

  • Type: Seamaster 300 Vintage Super Complete Kit
Posted at
Apr 23, 2026, 6:13 PM
Active
[WTS] Omega Seamaster 300m Full kit- $4250

Omega Seamaster 300m Full kit- $4250

Omega - 300m 42mm · $4,250
A complete Omega Seamaster 300m full kit, featuring a 42mm case size, undated card and purchase receipt from 2021. It runs well on timegrapher and is overall in good pre-owned condition.

  • Condition: good pre owned condition
  • Water Resistance: 300m depth rating
Posted at
Apr 23, 2026, 3:30 PM
Active
[WTS] Omega Seamaster 300M Black Aluminum / Orange 210.30.42.20.01.018 ( new / 2025 / box and papers )

Omega Seamaster 300M Black Aluminum / Orange 210.30.42.20.01.018 ( new / 2025 / box and papers )

This Omega Seamaster 300M is a brand new watch with a black aluminum dial and orange accents, featuring a master co-axial movement and a stainless steel case.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement type: Master Co-Axial
Posted at
Apr 23, 2026, 2:00 PM
Active
[WTS] Omega Seamaster 300M Black / Orange Diver 210.32.42.20.01.006 ( new / 2025 / box and papers )

Omega Seamaster 300M Black / Orange Diver 210.32.42.20.01.006 ( new / 2025 / box and papers )

This Omega Seamaster 300 is a Master Chronometer with a 42mm stainless steel case and an 8806 movement. It features a black and orange dial on an orange rubber strap.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement type: Master Co-Axial
Posted at
Apr 23, 2026, 1:50 PM
Active
[WTS] Omega Seamaster 300M 42mm Black 210.30.42.20.01.001 ( new / 2025 / box and papers )

Omega Seamaster 300M 42mm Black 210.30.42.20.01.001 ( new / 2025 / box and papers )

Up for sale is a brand new Omega Seamaster 300 with a 42mm stainless steel case and Master Co-Axial Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: 8800 Master Co-Axial
Posted at
Apr 23, 2026, 1:44 PM
Active
[WTS] Omega Seamaster 300M OEM Blue Rubber Strap + Clasp - $300

Omega Seamaster 300M OEM Blue Rubber Strap + Clasp - $300

Omega - 300M · $300
Genuine OEM accessories for an Omega Seamaster 300M watch, including a blue rubber strap and clasp in good condition.

  • Condition: Very good
  • Length: 20mm
  • Material: rubber
Posted at
Apr 22, 2026, 5:12 PM
Active