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

Reference 210.30.42.20.03.003

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of engineering and design, blending elegance with robust functionality. Its stunning summer blue dial features a gradient finish, adding depth and character to the watch face. The case is crafted from stainless steel and ceramic, built to withstand underwater adventures. A rotating bezel allows for accurate dive time tracking, and a water resistance of up to 300 meters ensures it can endure ocean depths. At its heart lies the Omega caliber 8800 movement, a marvel of engineering with Co-Axial escapement, reducing friction and enhancing longevity and accuracy. Rigorously tested according to Master Chronometer certification, this watch is resistant to magnetic fields reaching 15,000 gauss and has a power reserve of 55 hours. The Seamaster Diver 300M comes with a stainless steel bracelet that complements the watch's aesthetics while providing a comfortable fit. Its versatility makes it suitable for various environments, from diving to formal events.
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MSRP: $6,300
Market Price: $4,986

Key Features

  • Stainless Steel and Ceramic Case
  • Summer Blue Gradient Dial
  • Omega Caliber 8800 Movement
  • 300m Water Resistance
  • Co-Axial Escapement
  • Master Chronometer Certified
  • 55 Hour Power Reserve

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Summer Blue / Bracelet
Reference
210.30.42.20.03.003
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300M 210.32.42.20.01.001 2024

Omega Seamaster Diver 300M 210.32.42.20.01.001 2024

A modern icon of precision and elegance, this Omega Seamaster Diver 300M features a black ceramic dial with laser-engraved wave pattern, unidirectional ceramic bezel, and helium escape valve. Measuring 42mm, it perfectly blends sport and style for everyday wear or ocean adventure.

  • Condition: Mint condition
  • Case size: 42mm
  • Material: stainless steel
  • Diameter: 40mm (bezel)
Posted at
Oct 15, 2025, 2:47 PM
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[WTS] OMEGA Seamaster Diver 300M Silver |ref. 210.30.42.20.06.002 | 2025 Complete Set

OMEGA Seamaster Diver 300M Silver |ref. 210.30.42.20.06.002 | 2025 Complete Set

This OMEGA Seamaster Diver 300M Silver is a high-end watch from the 2025 collection, featuring a complete set of accessories and documentation. The watch itself is in excellent condition with minor wear, including lighter scratches and hairlines.

  • Condition: Excellent Preowned, minor wear in form of lighter scratches/hairlines
  • Box: Double Boxed
  • Papers: Pictograms x Master Chronometer Cert, Instruction Book, 2025 Warranty Card
  • Crystals: Both crystals clean
Posted at
Oct 15, 2025, 1:33 PM
Active
[WTS] OMEGA Seamaster Diver 300m Chronograph 44mm Box & Papers - 210.32.44.51.01.001

OMEGA Seamaster Diver 300m Chronograph 44mm Box & Papers - 210.32.44.51.01.001

A Seamaster Diver 300m Chronograph that combines a professional dive watch and chronograph functionality in one modern package.

  • Condition: Very good, used condition with minor wear on the case
  • Movement: Omega's Calibre 9900, METAS-certified Master Chronometer with co-axial escapement and 60-hour power reserve
  • Case size: 44mm stainless steel
  • Water resistance: 300m
Posted at
Oct 14, 2025, 4:59 PM
Active
Omega Seamaster Diver 300M Black Ceramic (210.92.44.20.01.003)

Omega Seamaster Diver 300M Black Ceramic (210.92.44.20.01.003)

This Omega Seamaster Diver 300M Black Ceramic watch features a 44mm size and is in excellent condition, complete with a triple boxed set and various documentation.

  • Condition: Excellent
  • Size: 44mm diameter
  • Depth rating: 30 bar (300m)
  • Movement: Master Chronometer
Posted at
Mar 26, 2025, 3:22 PM
Active
2025 NEW UNWORN Omega Seamaster Diver 300M White Ceramic 210.32.42.20.04.001

2025 NEW UNWORN Omega Seamaster Diver 300M White Ceramic 210.32.42.20.04.001

This 2025 Omega Seamaster Diver 300M features a white ceramic dial with wave patterns, a stainless steel case with brushed and high-polished finish surfaces, and a black ceramic unidirectional bezel with a white enamel diving scale. It offers enhanced functionality for divers, including precise tracking of dive time.

  • Condition: Brand new, unworn
  • Case material: stainless steel
  • Case size: 42MM
  • Bezel type: black ceramic, unidirectional
Posted at
Mar 25, 2025, 8:27 PM
Active
MINT Omega SEAMASTER DIVER 300M GREEN WAVE DIAL BRACELET 2025 WARRANTY FULL SET

MINT Omega SEAMASTER DIVER 300M GREEN WAVE DIAL BRACELET 2025 WARRANTY FULL SET

A 2025 Omega Seamaster Diver 300m in 42mm stainless steel with a green ceramic bezel and wave dial. The watch features an Omega Co-Axial Master Chronometer 8800 automatic movement.

  • Condition: Mint, Unpolished Condition
  • Movement: Omega Co-Axial Master Chronometer 8800 Automatic
  • Case size: 42mm diameter
  • Bezel material: Green Ceramic
Posted at
Mar 19, 2025, 10:32 PM
Active
Omega Seamaster Diver 300M  - 210.30.42.20.04.001 - White Wave - 2024 - MINT

Omega Seamaster Diver 300M - 210.30.42.20.04.001 - White Wave - 2024 - MINT

A modern Omega Seamaster Diver 300M with a white wave dial, available for inspection or pickup in Southern California.

  • Condition: Pre-Owned - Mint
  • Case Size: 41mm diameter
  • Bracelet Type: Stainless Steel
  • Dial: White Wave
Posted at
Mar 18, 2025, 12:32 AM
Active
2023 Omega Seamaster Diver 300m 43.5mm 210.92.44.20.01.003 Black Ceramic Dial

2023 Omega Seamaster Diver 300m 43.5mm 210.92.44.20.01.003 Black Ceramic Dial

2023 Omega Seamaster Diver 300m with a black ceramic dial, adjustable black rubber strap, and other included accessories.

  • Condition: Excellent overall condition
  • Case size: 43.5mm diameter
  • Water resistance: 300m depth rating
  • Box and papers: Yes
Posted at
Mar 6, 2025, 8:54 AM
Active
Omega Seamaster Diver 300M 210.30.44.51.01.001

Omega Seamaster Diver 300M 210.30.44.51.01.001

This Omega Seamaster Diver 300M is a high-end diver's watch with a stainless steel case and a date display. It features a black dial with silver hour markers and hands.

  • Condition: Excellent condition
  • Boxes included: true
  • Book included: true
  • Warranty card included: true
Posted at
Mar 5, 2025, 3:28 PM
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