Doxa SUB 300 SUB 300 Carbon Aquamarine

Reference 822.70.241.20

About this watch

The Doxa SUB 300 Carbon Aquamarine is a statement piece that effortlessly combines durability, precision, and style. This Swiss-made watch boasts a unique blend of titanium and carbon materials, giving it a rugged appearance while keeping it lightweight. The tonneau-shaped case, measuring 42.50 mm in diameter, contributes to its bold yet elegant design. A clear 0-60 dive scale on the rotating bezel makes tracking time underwater effortless. Crafted from sapphire glass, it's scratch-resistant and offers excellent visibility even in murky waters. At the heart of this watch lies the ETA caliber 2824-2 movement, known for its precision and reliability, featuring a 42-hour power reserve and automatic date function. With a robust water resistance of 300 meters, this watch is designed for serious divers. Its striking aquamarine color adds a pop of vibrancy to any outfit, making it perfect for everyday wear whether on land or underwater.
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Key Features

  • Tonneau-shaped case made from titanium and carbon
  • Sapphire glass with excellent visibility
  • Rotating 0-60 dive scale bezel
  • ETA caliber 2824-2 movement with 42-hour power reserve
  • 300-meter water resistance
  • Aquamarine blue dial color

Specifications

Brand
Doxa
Family
SUB 300
Model
SUB 300 Carbon Aquamarine
Reference
822.70.241.20
Movement
2824-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
42.5mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Doxa SUB 300 Great White Topper Edition, $2600

Doxa SUB 300 Great White Topper Edition, $2600

Up for sale is my Doxa Great White Topper Edition, number 70 of 100. It has a lume dial and no date feature.

  • Condition: Excellent
  • Limited edition quantity: 100
  • Case size: 40mm diameter
  • Water resistance: 200m depth rating
Posted at
Oct 26, 2025, 11:27 PM
Active
[WTS] Doxa Sub 300 Professional

Doxa Sub 300 Professional

This Doxa Sub 300 Professional is a modern dive watch with vintage vibes, featuring a polished bezel and a Reddit favorite. It comes on a bracelet as well as an additional orange OEM strap and adjustable bracelet.

  • Condition: Excellent (94%)
  • Case size: 42mm diameter
  • Bracelet type: Stainless steel bracelet with clasp extension
  • Water resistance: 300m depth rating
Posted at
Oct 24, 2025, 8:51 AM
Active
[WTS] Doxa Sub 300 Carbon w full kit + extra strap

Doxa Sub 300 Carbon w full kit + extra strap

Doxa - Sub 300 Carbon · $3,500
This Doxa Sub 300 Carbon features a carbon case, 42.5mm case size, and a unique 'saturation' bezel for diving. It comes with two rubber straps and has a 2-year warranty.

  • Condition: Excellent, works great
  • Depth rating: 300m
  • Case size: 42.5mm
  • Lug to lug length: short fits small wrists
Posted at
Oct 23, 2025, 1:23 PM
Active
[WTS] Doxa Sub 300 Pro $2000

Doxa Sub 300 Pro $2000

Doxa - Sub 300 Pro · $2,000
A Doxa Sub 300 Professional in excellent condition on a bracelet, accompanied by a black tropic strap.

  • Condition: Excellent, used with minor scratches and swirls on bracelet and case
  • Bracelet material: metal
  • Crystal condition: no cracks or chips
Posted at
Oct 17, 2025, 7:46 AM
Active