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.
Buy Now on Jomashop
This is an affiliate link

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 Whitepearl Lume Dial Carbon 42.5mm ref. 822.70.011.23

DOXA Sub 300 Whitepearl Lume Dial Carbon 42.5mm ref. 822.70.011.23

Doxa - 822.70.011.23 · $2,800
A modern Doxa Sub 300 Whitepearl Lume Dial Carbon watch with a 42.5mm forged carbon case, sapphire crystal, and new uncut black strap.

  • Condition: Minimal signs of wear
  • Case material: Forged carbon
  • Case dimensions: 42.5mm diameter
  • Water resistance: Not specified
Posted at
Dec 15, 2025, 8:11 PM
Active
[WTS] Doxa Sub 300 Great White Topper Limited Edition 821.10.011.10 - $2900

Doxa Sub 300 Great White Topper Limited Edition 821.10.011.10 - $2900

Doxa - 821.10.011.10 · $2,900
This Doxa Sub 300 Great White Topper Limited Edition is a unique timepiece featuring a fully lumed white dial and comes in a complete set with box and warranty card.

  • Condition: Excellent, pre-owned
  • Bracelet condition: Unworn
  • Strap size: 6.75 inches
  • Box and papers included: Yes
Posted at
Dec 13, 2025, 1:13 PM
Active
[WTS] DOXA Sub 300 Whitepearl Lume Dial Carbon 42.5mm ref. 822.70.011.23

DOXA Sub 300 Whitepearl Lume Dial Carbon 42.5mm ref. 822.70.011.23

Doxa - 822.70.011.23 · $2,850
A modern Doxa Sub 300 Whitepearl Lume Dial Carbon with a forged carbon case and sapphire crystal, available for purchase in good condition.

  • Condition: Minimal signs of wear
  • Case material: Forged carbon
  • Case size: 42.5mm diameter
  • Lug width: 20mm
Posted at
Dec 8, 2025, 7:32 PM
Active