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

Reference 210.30.42.20.06.001

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a stunning piece of horological craftsmanship that resonates with both watch enthusiasts and casual wearers alike. With its striking grey dial and robust construction, this model blends elegance with functionality. The design of the Seamaster Diver 300M is a perfect marriage of style and utility, featuring a 42 mm round case made from high-quality stainless steel and a ceramic bezel with a rotating 0-60 dive scale. At the core lies the Omega Caliber 8800, a self-winding movement certified as a Master Chronometer, guaranteed to provide precision and performance. With its impressive water resistance of up to 300 meters and Co-Axial escapement reducing friction between moving parts, this watch is built to last. It's an experience on your wrist that combines functionality with aesthetic appeal.
Buy Now on Jomashop
This is an affiliate link
MSRP: $5,900
Market Price: $3,814

Key Features

  • 42mm round case made from stainless steel
  • Ceramic bezel with rotating 0-60 dive scale
  • Omega Caliber 8800 self-winding movement
  • Master Chronometer certification
  • 300m water resistance
  • Co-Axial escapement reducing friction between moving parts
  • Sapphire crystal glass scratch-resistant

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Grey / Bracelet
Reference
210.30.42.20.06.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[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] 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
[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] 2024 Omega Seamaster Diver 300M 42mm Steel Blue Dial 210.30.42.20.03.001 Full Set

2024 Omega Seamaster Diver 300M 42mm Steel Blue Dial 210.30.42.20.03.001 Full Set

The 2024 Omega Seamaster Diver 300M features a stainless steel case, blue ceramic dial, and rotating dive bezel. It comes in a 42mm size, suitable for wrists up to 8.5 inches.

  • Condition: nice preowned condition with some light scratches
  • Case material: stainless steel
  • Case dimensions: 42mm diameter
  • Band material: stainless steel
Posted at
Dec 17, 2025, 8:02 PM
Active
[WTS] Omega Seamaster Diver 300M Black Dial - 210.32.42.20.01.001 - Full Kit!

Omega Seamaster Diver 300M Black Dial - 210.32.42.20.01.001 - Full Kit!

Omega Seamaster Diver 300M with a black dial and rubber strap, featuring a 42mm case size.

  • Condition: Overall great condition, light hairlines on case and clasp, small crack on the pip
  • Case Size: 42mm
  • Bezel Material: ceramic
Posted at
Dec 17, 2025, 4:45 PM
Active
[WTS] Omega Seamaster Diver 300M Chronograph 210.62.44.51.01.001 18k Sedna Gold B/P!

Omega Seamaster Diver 300M Chronograph 210.62.44.51.01.001 18k Sedna Gold B/P!

Omega - 210.62.44.51.01.001 · $18,500
This Sedna Gold Omega Seamaster Chronograph features a black ceramic bezel and is described as absolutely stunning, with a comfortable yet exciting feel on the wrist.

  • Case materials: Sedna Gold
  • Bezel material: black ceramic
Posted at
Dec 17, 2025, 8:30 AM
Active
[WTS] Omega Seamaster Diver 300M Sedna Gold Bezel | Ref. 210.22.42.20.01.001| Full Set | 2024 | Excellent Condition

Omega Seamaster Diver 300M Sedna Gold Bezel | Ref. 210.22.42.20.01.001| Full Set | 2024 | Excellent Condition

A 42mm two-tone Omega Seamaster Diver 300M featuring a sleek black ceramic dial and matching bezel, powered by the Co-Axial Master Chronometer Caliber 8800.

  • Condition: Excellent pre-owned condition
  • Case size: 42mm
  • Material: Stainless steel and 18K yellow gold
  • Dial color: Black ceramic wave-pattern
Posted at
Dec 16, 2025, 10:59 PM
Active