Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Black / Bracelet

Reference 210.30.42.20.01.001

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of watchmaking, blending luxury and functionality in a stunning package. Crafted from premium materials, this timepiece boasts exceptional build quality, Master Chronometer certification for accuracy, and an impressive water resistance of 300 meters. Its versatile design seamlessly transitions from casual to formal wear, while the comfortable fit with an adjustable bracelet ensures all-day wearability. This watch is not just a statement piece; it's a testament to Omega's commitment to excellence.
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MSRP: $5,900
Market Price: $4,102

Key Features

  • 42mm round case made from stainless steel
  • Black ceramic bezel with 0-60 scale
  • Sapphire crystal glass for added protection
  • Master Chronometer certification for accuracy and performance
  • Water resistance of 300 meters (1,000 feet)
  • Self-winding movement powered by Omega caliber 8800
  • Co-Axial escapement with reduced friction and increased accuracy

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Black / Bracelet
Reference
210.30.42.20.01.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Professional Diver 300m. Full Kit. $5100

Omega Seamaster Professional Diver 300m. Full Kit. $5100

I've got an Omega Seamaster Professional Diver 300 in Black with a beautiful sunburst black wave dial and ceramic bezel.

  • Condition: Good condition
  • Movement: Omega Calibre 8800 (COSC and METAS certified)
  • Magnetic field resistance: 15,000 gauss
  • Bracelet type: Milanese
Posted at
Dec 18, 2025, 6:02 PM
Active
[WTS] Omega Seamaster Diver 300M - 2020 - 210.30.42.20.01.001 - $4100 plus label

Omega Seamaster Diver 300M - 2020 - 210.30.42.20.01.001 - $4100 plus label

This Omega Seamaster Diver 300M is a professional diver's watch with notable wear on the bracelet and visible wear on the crystal.

  • Condition: Pre-owned, wear on the bracelet and crystal
  • Depth rating: 300m
Posted at
Dec 17, 2025, 10:01 PM
Active
[WTS] Omega Seamaster Diver 300 M Professional 300M Diver Ref - 210.30.42.20.01.001

Omega Seamaster Diver 300 M Professional 300M Diver Ref - 210.30.42.20.01.001

The Omega Seamaster Professional features a ceramic bezel, etched wave dial, and classic styling that has stood the test of time.

  • Outer box included: true
  • Inner box included: true
  • Card holder included: true
Posted at
Dec 8, 2025, 6:33 PM
Active
Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )

Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )

This Omega Seamaster 300 is a brand new timepiece with a black wave dial, featuring a 42mm stainless steel case and the Master Co-Axial Movement. It comes complete with all original boxes, papers, booklets, hang tag, and an Omega warranty card dated January 2025.

  • Condition: Brand new
  • Case Size: 42mm
  • Movement: 8800 Master Co-Axial
Posted at
Jan 31, 2025, 3:09 PM
Active
[WTS] Omega Seamaster Diver 300M 42mm, steel on rubber strap

Omega Seamaster Diver 300M 42mm, steel on rubber strap

This Omega Seamaster Diver 300M features a 42mm stainless steel case, black ceramic wave dial and is powered by the Omega Co-Axial Master Chronometer Cal. 8800.

  • Condition: Excellent
  • Case size: 42mm
  • Diameter: 42mm
  • Water resistance: 300m / 1000ft
Posted at
Dec 20, 2025, 3:48 PM
Active
[WTS] Omega Seamaster Diver 300M 50th Anniversary James Bond 212.30.41.20.01.005

Omega Seamaster Diver 300M 50th Anniversary James Bond 212.30.41.20.01.005

This is a Seamaster Diver 300M 50th Anniversary James Bond watch, featuring a stainless steel case and rotating dive bezel.

  • Condition: nice preowned condition with some light scratches on the case and bracelet
  • Case material: stainless steel
  • Bezel material: stainless steel
  • Dial color: black
Posted at
Dec 19, 2025, 8:12 PM
Active
[WTS] Omega Seamaster Diver 300M Two Tone 42mm Black Dial 210.20.42.20.01.002 Complete

Omega Seamaster Diver 300M Two Tone 42mm Black Dial 210.20.42.20.01.002 Complete

The Omega Seamaster Diver 300M Two Tone is a high-end diver's watch with a 42mm black dial.

  • Condition: In very good condition, rated at 9.8/10
  • Box and papers: Complete with inner & outer Omega boxes, manual, warranty card (dated 2024), Master Chronometer card, Pictogram card, and 3 removed links
Posted at
Dec 19, 2025, 11:32 AM
Active
[WTS] 2021 Omega Seamaster Diver 300M "No Time To Die" 210.90.42.20.01.001 James Bond 007 NTTD Box and Papers

2021 Omega Seamaster Diver 300M "No Time To Die" 210.90.42.20.01.001 James Bond 007 NTTD Box and Papers

This Omega Seamaster Diver 300M James Bond Edition 'No Time To Die' is a titanium 42mm watch that comes with its original box, leather travel case, and Nato strap. The crystal is clean with no scratches or chips.

  • Condition: Preowned with signs of wear on the case, bracelet, and buckle
  • Case material: Titanium
  • Case size: 42mm
  • Depth rating: 300m
Posted at
Dec 19, 2025, 10:17 AM
Active
[WTS] Omega Seamaster Diver 300m Black Dial $3850

Omega Seamaster Diver 300m Black Dial $3850

A classic Omega Seamaster Diver 300M featuring a black dial and ceramic dive bezel, powered by the Omega Caliber 2500 Co-Axial automatic movement.

  • Condition: Excellent
  • Movement: Omega Caliber 2500 Co-Axial
  • Water resistance: 300m
  • Bezel material: ceramic
Posted at
Dec 18, 2025, 4:25 PM
Active