Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Bronze Gold / Black / Bracelet

Reference 210.90.42.20.01.003

Omega Seamaster Diver 300M Master Co-Axial 42 Bronze Gold / Black / Bracelet

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a cinematic legend, boasting a striking design with a round case diameter of 42 mm. Crafted from lightweight titanium, this watch strikes the perfect balance between boldness and wearability. The brown dial offers an appealing tropical vibe, while the stick and dot indexes provide a classic touch. A rotating bezel allows for easy dive time tracking, complemented by sapphire crystal glass for scratch resistance. The Omega caliber 8806 automatic movement boasts a Co-Axial escapement, reducing friction for higher accuracy and longer service intervals. Certified as a Master Chronometer, this watch withstands magnetic fields up to 15,000 gauss. With a power reserve of 55 hours and water resistance of 300 meters, it's perfect for aquatic adventures. The titanium construction is both durable and resistant to rust and corrosion, ensuring longevity. A comfortable fit with an adjustable clasp makes it suitable for daily wear in various settings.
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Key Features

  • 42mm round case diameter
  • Lightweight titanium construction
  • Brown dial with tropical vibe
  • Rotating bezel for dive time tracking
  • Sapphire crystal glass for scratch resistance
  • Master Chronometer certification
  • Omega caliber 8806 automatic movement

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Bronze Gold / Black / Bracelet
Reference
210.90.42.20.01.003
Movement
8806
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300M – Electric Blue Two Tone – Automatic 41mm – Solid Gold Bezel

Omega Seamaster Diver 300M – Electric Blue Two Tone – Automatic 41mm – Solid Gold Bezel

Omega - 2455.80 · $4,250
The Omega Seamaster Diver 300M features a stainless steel and 18K yellow gold two-tone design with an electric blue wave dial, solid gold bezel, and 41mm case. It's powered by the automatic Omega caliber 1120 movement and has 300 meters of water resistance.

  • Condition: Excellent all around condition
  • Movement: Omega caliber 1120 automatic movement
  • Water Resistance: 300m
Posted at
May 3, 2026, 3:29 PM
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[WTS] OMEGA Seamaster Diver 300M Black Dial 210.32.42.20.01.003 + OEM Mesh Bracelet

OMEGA Seamaster Diver 300M Black Dial 210.32.42.20.01.003 + OEM Mesh Bracelet

Omega - 210.32.42.20.01.003 · $5,650
This Omega Seamaster Professional 300M features a modern case and movement paired with a vintage SMP dial feel, an aluminum bezel with lumed numbers, and comes as a complete set.

  • Bracelet type: OEM mesh stainless steel
  • Box and papers: yes
Posted at
May 2, 2026, 9:12 PM
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[WTS] 2025 Omega Seamaster Diver 300M 210.30.42.20.01.018 Full Set $6,250

2025 Omega Seamaster Diver 300M 210.30.42.20.01.018 Full Set $6,250

Omega - 210.30.42.20.01.018 · $6,250
A modern dive watch featuring a clean black dial configuration and full stainless steel bracelet, powered by the Omega Co-Axial Master Chronometer Calibre 8800.

  • Condition: Mint (pre-owned, minimal to no wear)
  • Movement: Omega Calibre 8800 Master Chronometer
  • Case size: 42mm diameter
  • Case material: Stainless steel
Posted at
May 2, 2026, 6:13 PM
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[WTS] Omega Seamaster Diver 300M 🔵 🟦 212.30.41.20.03.001 41mm | Excellent Condition (With Box And Warranty Cards)

Omega Seamaster Diver 300M 🔵 🟦 212.30.41.20.03.001 41mm | Excellent Condition (With Box And Warranty Cards)

Omega - 212.30.41.20.03.001 · $3,500
This Omega Seamaster Diver 300M is dated November 2018 and features an updated clasp with on-the-fly microadjustment.

  • Condition: Excellent Condition
  • Case size: 41mm
  • Strap: Omega OEM Rubber Strap
Posted at
May 2, 2026, 3:49 PM
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[WTS] 2022 Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue Full Set - $4,495

2022 Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue Full Set - $4,495

Omega - 210.30.42.20.03.001 · $4,495
This Omega Seamaster Diver 300M Blue is a 2022 model featuring a blue color. It includes various accessories such as the inner and outer box, card holder, international warranty card, and instructions manual.

  • Condition: Excellent condition with minimal signs of wear
  • Box and papers: true
  • Year: 2022
Posted at
May 2, 2026, 1:12 PM
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[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

Omega - 210.30.42.20.10.001 · $5,395
Up for sale is a Omega Seamaster Diver 300m Green Seaweed, featuring a reference number of 210.30.42.20.10.001 and made in 2024.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Shipping: Fully insured through Fedex within 24 hours
Posted at
May 2, 2026, 12:46 PM
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[WTS] 2024 Omega Seamaster Diver 300M White Wave Dial 210.32.42.20.04.001 Full Set $4,000

2024 Omega Seamaster Diver 300M White Wave Dial 210.32.42.20.04.001 Full Set $4,000

Omega - 210.32.42.20.04.001 · $4,000
A modern dive watch known for its distinctive ceramic wave dial and strong everyday versatility. The white dial paired with black accents provides a clean, high-contrast look that stands out within the Seamaster lineup.

  • Condition: Great (pre-owned, hairlines on case and bezel)
  • Case Size: 42mm diameter
  • Case Material: Stainless steel
  • Movement: Automatic (Omega Calibre 8800 Master Chronometer)
Posted at
May 2, 2026, 9:34 AM
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[WTS] Omega Seamaster Diver 300M "No Wave" - 41mm Ceramic Bezel. Box and cards

Omega Seamaster Diver 300M "No Wave" - 41mm Ceramic Bezel. Box and cards

Omega - 212.30.41.20.01.003 · $3,300
A discontinued Omega Seamaster Professional 300M 'No Wave' model from 2017, featuring a 41mm case and a unique black lacquer dial. This specific year is notable as it's one of the last production years for this reference before Omega switched to larger models. The watch includes a premium wooden presentation box and an international warranty card.

  • Condition: Light wear with no deep scratches
  • Case size: 41mm diameter
  • Thickness: ~13mm
  • Dial material: black gloss lacquer
Posted at
May 1, 2026, 9:17 PM
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[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

OMEGA - 522.21.42.20.04.001 · $7,900
The Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, combining stainless steel with 18K Moonshine Gold and featuring a white ceramic dial.

  • Condition: UNWORN
  • Case material: stainless steel and 18K Moonshine Gold
  • Diameter: 42mm
  • Movement: Calibre 8800 Master Chronometer
Posted at
May 1, 2026, 8:00 PM
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