Doxa SUB 300 SUB 300T Professional

Reference 840.10.351.21

About this watch

The Doxa SUB 300T Professional stands out as a beacon of luxury and functionality. With its rich history, striking orange dial, and exceptional water resistance of 1200 meters, this watch is perfect for divers and adventurers alike. The tonneau-shaped case, crafted from durable stainless steel, features a matte finish that adds an element of sophistication while minimizing glare. At the heart of the SUB 300T lies the reliable automatic ETA caliber 2824-2 movement, ensuring accurate timekeeping whether on land or underwater. The watch's sapphire crystal glass and closed case back provide additional protection against scratches and water damage. With its comfortable fit, stylish design, and versatility, the Doxa SUB 300T Professional is a worthy investment for anyone seeking a high-quality diving watch.
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Key Features

  • Automatic ETA caliber 2824-2 movement
  • Exceptional water resistance of 1200 meters (3900 feet)
  • Durable stainless steel construction with matte finish
  • Sapphire crystal glass for scratch-resistance and durability
  • Striking orange dial for high visibility in low-light conditions
  • Rotating dive bezel with 0-60 scale for tracking immersion time

Specifications

Brand
Doxa
Family
SUB 300
Model
SUB 300T Professional
Reference
840.10.351.21
Movement
2824-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 42.5mm
Dial Color
Orange
Crystal
Sapphire
Water Resistance
1200

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