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 300T Sharkhunter

Doxa Sub 300T Sharkhunter

Doxa - Sub 300T · $1,600
This Doxa Sub 300T is a vintage-inspired watch designed for divers, with a Sharkhunter Patch and comes with the full box set.

  • Warranty Card Date: May 2023
Posted at
Apr 19, 2026, 1:07 PM
Active
[WTS] Doxa Sub 300 Beta Divingstar

Doxa Sub 300 Beta Divingstar

This Doxa Sub 300 Beta Divingstar is a rare variation of the 300 model, purchased new from Watches of Switzerland and worn sparingly. It comes with full box, papers, and a BoR bracelet.

  • Condition: Pre-owned with minimal wear
  • Case dimensions: 42.50mm x 44.50mm x 11.95mm
  • Water resistance: 300m depth rating
  • Movement: Sellita SW200 automatic movement with 38h power reserve
Posted at
Apr 18, 2026, 1:24 PM
Active
[WTS] Doxa Sub 300T Professional Aristera LHD

Doxa Sub 300T Professional Aristera LHD

Limited to 300 pieces, features ETA movement and 1200m water resistance.

  • Condition: Excellent
  • Limited Edition Quantity: 300
  • Diameter: 42.5mm
  • Thickness: 13.65mm
Posted at
Apr 11, 2026, 9:50 AM
Active