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

Reference 210.90.42.20.01.003

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 "Sedna Gold & Blue" | 18K Rose Gold Ref. 210.22.42.20.03.002 | 42mm | Stainless Steel & Gold | Full Set | 2023

Omega Seamaster Diver 300M "Sedna Gold & Blue" | 18K Rose Gold Ref. 210.22.42.20.03.002 | 42mm | Stainless Steel & Gold | Full Set | 2023

The Omega Seamaster Diver 300M is a professional-grade tool watch featuring an iconic laser-engraved wave dial in deep blue and a high-resistance ceramic bezel with Sedna gold diving scale.

  • Condition: 10/10 Condition
  • Case size: 42mm diameter
  • Material: Stainless Steel & 18K Rose Gold
  • Movement: Calibre 8800 (METAS-certified)
Posted at
Apr 11, 2026, 10:22 AM
Active
[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🔥

The OMEGA Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case made of stainless steel and 18K Moonshine Gold. The watch has a white ceramic dial with polished waves and a laser-structured diving scale.

  • Condition: UNWORN
  • Case size: 42mm
  • Case material: stainless steel with 18K Moonshine Gold
  • Movement: Calibre 8800 Master Chronometer
Posted at
Apr 10, 2026, 9:07 PM
Active
[WTS] Omega Seamaster Diver 300M Blue Grey Wave Dial Stainless Steel 42MM 210.30.42.20.06.001 Full Set

Omega Seamaster Diver 300M Blue Grey Wave Dial Stainless Steel 42MM 210.30.42.20.06.001 Full Set

A stainless steel Omega Seamaster Diver 300M with a blue grey wave dial and ceramic bezel, featuring laser-engraved waves and a date window at 6 o'clock.

  • Condition: pristine
  • Case material: stainless steel
  • Bezel material: blue ceramic
  • Diameter: 42mm
Posted at
Apr 10, 2026, 8:22 PM
Active
[WTS] Omega Seamaster Diver 300M "Seaweed" Green Dial 42MM 210.32.42.20.10.001 Complete Set

Omega Seamaster Diver 300M "Seaweed" Green Dial 42MM 210.32.42.20.10.001 Complete Set

This Omega Seamaster Diver 300M features a robust stainless steel case, wave-patterned green dial, and ceramic bezel.

  • Case size: 42mm
  • Diameter: 42mm
  • Bezel material: ceramic
Posted at
Apr 10, 2026, 7:46 PM
Active
[WTS] Omega Seamaster Diver 300M, black small wave dial 210.32.42.20.01.003

Omega Seamaster Diver 300M, black small wave dial 210.32.42.20.01.003

A no date Omega Seamaster Diver 300M with a black small wave dial and domed sapphire crystal, featuring an aluminum insert.

  • Condition: LIKE NEW
  • Material: aluminum
  • Water resistance: 300m
Posted at
Apr 10, 2026, 12:59 PM
Active
[WTS] 2018 Omega Seamaster Diver 300m 41mm Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

2018 Omega Seamaster Diver 300m 41mm Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

A 2018 Omega Seamaster Diver 300M with a classic blue 'no wave' dial, stainless steel case and bracelet, and an automatic self-winding movement.

  • Condition: Excellent
  • Case diameter: 41mm
  • Crystal type: Sapphire
  • Bracelet material: Stainless Steel
Posted at
Apr 9, 2026, 5:41 PM
Active
[WTS] 2023 Omega Seamaster Diver 300M 43.5mm Ref. 210.62.44.20.01.001

2023 Omega Seamaster Diver 300M 43.5mm Ref. 210.62.44.20.01.001

This Omega Seamaster Diver 300M features a solid 18K Sedna™ gold case, ceramic 'Summer Blue' dial with gradient finish and laser-engraved wave pattern, and a 55-hour power reserve.

  • Condition: Excellent
  • Case Size: 43.5mm
  • Bezel Material: 18K Sedna gold
  • Water Resistance: 300m (1000ft)
Posted at
Apr 9, 2026, 4:37 PM
Active
[WTS] Omega Seamaster Diver 300m Black 210.32.42.20.01.003 2025

Omega Seamaster Diver 300m Black 210.32.42.20.01.003 2025

For sale is a Omega Seamaster Diver 300m with black dial on rubber strap, delivered in pristine condition.

  • Condition: mint condition
  • Dial color: black
  • Strap material: rubber
Posted at
Apr 9, 2026, 1:06 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