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 Beta - Searambler Dial - Priced to Move! $1575 Unworn OEM Rubber Strap Inc.

Doxa Sub 300 Beta - Searambler Dial - Priced to Move! $1575 Unworn OEM Rubber Strap Inc.

Doxa - Sub 300 Beta · $1,575
This Doxa Sub 300 Beta features a ceramic bezel and the classic Searambler dial with a new wave pattern. It's a unique take on one of the pioneer dive watches, making it a great addition to any collection.

  • Condition: Like New In Box
  • Case material: not specified
  • Movement: not specified
  • Band type: rubber strap
Posted at
Aug 23, 2025, 11:23 AM
Active
[WTS] LNIB DOXA SUB 300 'Aquamarine' COSC

LNIB DOXA SUB 300 'Aquamarine' COSC

Doxa - SUB 300 · $1,899
A COSC certified Doxa SUB 300 'Aquamarine' in excellent condition, showing no signs of wear.

  • Condition: Like New In Box (LNIB)
  • Case size: 42.5mm
  • Lug to lug: 44.5mm
  • Strap type: Doxa bracelet
Posted at
Aug 22, 2025, 3:22 PM
Active
[WTS] Doxa Sub 300 Beta - Searambler - Priced to Go!

Doxa Sub 300 Beta - Searambler - Priced to Go!

Doxa - Sub 300 Beta · $1,645
This Doxa Sub 300 Beta Searambler features a new ceramic bezel and a unique wave pattern on the classic Searambler dial. It comes with an OEM strap, an Orange Farer Strap, and various accessories.

  • Condition: Like New In Box
  • Box: included in sale
  • Accessories: booklet, doxa branded lanyard, unsigned card from doxa.com
  • Rubber watch band: uncut, included in sale
Posted at
Aug 13, 2025, 7:17 AM
Active