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

Reference 210.30.42.20.03.003

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

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 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

Omega Seamaster Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

Omega - 210.32.42.20.06.001 · $4,295
Up for sale is a Omega Seamaster Diver 300m Grey, a 2023 model that comes in full set including the watch, inner and outer box, card holder, international warranty card, pictograms card, master chronometer card, instructions manual, and hang tag.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 41.5mm diameter
  • Depth rating: 300m
Posted at
Feb 14, 2026, 12:10 PM
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[WTS] Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

Omega - 210.32.42.20.03.001 · $4,395
Up for sale is a Omega Seamaster Diver 300m Blue, a 2022 model with various accessories including inner and outer box, warranty cards, and instructions manual.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual, Hang Tag
Posted at
Feb 14, 2026, 12:08 PM
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[WTS] Omega Seamaster Diver 300M James Bond 210.30.42.20.03.002 Full Set

Omega Seamaster Diver 300M James Bond 210.30.42.20.03.002 Full Set

Omega - 210.30.42.20.03.002 · $6,497
A modern classic Omega Seamaster Diver 300M ‘James Bond’ with a blue wave-dial and a 42mm stainless steel case, built around Omega’s dive heritage.

  • Condition: Good with minor wear
  • Case Size: 42mm diameter
  • Case Material: stainless steel
  • Bezel Type: blue ceramic dive bezel
Posted at
Feb 14, 2026, 1:01 AM
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[WTS] 2024 Omega Seamaster Diver 300M – Black Wave Dial – Ref. 210.32.42.20.01.001 – Full Set + Extras – Excellent Condition – $4,400 Shipped

2024 Omega Seamaster Diver 300M – Black Wave Dial – Ref. 210.32.42.20.01.001 – Full Set + Extras – Excellent Condition – $4,400 Shipped

Omega - 210.32.42.20.01.001 · $4,400
2024 Omega Seamaster Diver 300M with a 42mm black ceramic wave dial and automatic movement, powered by Omega's Master Chronometer.

  • Condition: Excellent (minimal wear)
  • Movement: Automatic (Omega Co-Axial Master Chronometer Caliber 8800)
  • Case Size: 42mm
  • Water Resistance: 300m
Posted at
Feb 13, 2026, 6:49 PM
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[WTS] 2018 Omega Seamaster Diver 300m Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

2018 Omega Seamaster Diver 300m Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

Omega - 212.30.41.20.03.001 · $3,600
The Omega Seamaster Diver 300M features a classic blue dial, stainless steel case and bracelet, and an automatic self-winding movement.

  • Condition: Great condition, 93%
  • Case diameter: 41mm
  • Movement: Coaxial 2500 automatic self-winding
  • Crystal: Sapphire
Posted at
Feb 13, 2026, 2:20 PM
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[WTS] 2023 Omega Seamaster Diver 300m White Dial on Bracelet 210.30.42.20.04.001 B+P

2023 Omega Seamaster Diver 300m White Dial on Bracelet 210.30.42.20.04.001 B+P

Omega - 210.30.42.20.04.001 · $4,600
This Omega Seamaster Diver 300M features a stunning white wave-pattern dial paired with a black ceramic bezel and is equipped with the Co-Axial Master Chronometer Caliber 8800 movement.

  • Condition: Excellent
  • Movement: Self-winding Mechanical
  • Case material: Stainless Steel
  • Bezel material: Black Ceramic
Posted at
Feb 13, 2026, 2:05 PM
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[WTS] 2024 Omega Seamaster Diver 300m Green Dial on Bracelet 210.30.42.20.10.001 B+P

2024 Omega Seamaster Diver 300m Green Dial on Bracelet 210.30.42.20.10.001 B+P

Omega - 210.30.42.20.10.001 · $4,900
This stunning Omega Seamaster Diver 300M reference number 210.30.42.20.10.001 features a green wave-pattern dial, green ceramic bezel, and Co-Axial Master Chronometer Caliber 8800 movement.

  • Condition: Excellent (with minor signs of wear)
  • Case Diameter: 42mm
  • Crystal Type: Sapphire
  • Bezel Material: Green Ceramic
Posted at
Feb 13, 2026, 1:38 PM
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[WTS] Omega Seamaster Diver 300M James Bond 60th Anniversary 42mm Blue Dial 210.30.42.20.03.002

Omega Seamaster Diver 300M James Bond 60th Anniversary 42mm Blue Dial 210.30.42.20.03.002

Omega - 210.30.42.20.03.002 · $6,550
This Omega Seamaster Diver 300M James Bond 60th Anniversary features a blue dial in a 42mm case and is in excellent condition with only minor signs of wear.

  • Condition: In very good condition, rated at 9.7/10
  • Box And Papers: true
  • Included Items: Inner & outer Omega boxes,manual,removed links,microfibre cloth,Master Chronometer card,Pictogram card,warranty card (dated 2023)
Posted at
Feb 13, 2026, 10:30 AM
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[WTS] Omega Seamaster Diver 300M 210.30.42.20.04.001 | 2022 Complete Set

Omega Seamaster Diver 300M 210.30.42.20.04.001 | 2022 Complete Set

Omega - 210.30.42.20.04.001 · $4,250
A 2022 Omega Seamaster Diver 300M is being sold, complete with its original packaging and accessories.

  • Condition: Preowned with light wear and minor scratches
  • Water Resistance: 30 bar
  • Movement: Master Chronometer
  • Bracelet: Fully linked bracelet
Posted at
Feb 12, 2026, 2:55 PM
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