Doxa SUB 300 SUB 300T Aquamarine / Bracelet

Reference 840.10.241.10

About this watch

The Doxa SUB 300T Aquamarine is a remarkable watch that beautifully marries function and fashion. With its striking blue dial, robust features, and reliable ETA caliber 2824-2 movement, it's perfect for both divers and watch enthusiasts alike. The tonneau case gives it a unique silhouette, while the rotating bezel allows you to track elapsed time underwater. With a water resistance of up to 1200 meters, this watch is designed for serious diving. Its combination of durability, functionality, and aesthetic appeal makes it a fantastic choice for anyone who values a great timepiece.
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Key Features

  • ETA caliber 2824-2 automatic movement
  • Tonneau case with rotating bezel
  • Sapphire crystal glass for scratch resistance
  • Water resistance up to 1200 meters
  • Matte blue dial with stick and dot indexes
  • Stainless steel construction for durability
  • 20mm lug width for comfortable fit

Specifications

Brand
Doxa
Family
SUB 300
Model
SUB 300T Aquamarine / Bracelet
Reference
840.10.241.10
Movement
2824-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 42.5mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
1200

Current Listings

[WTS] Doxa SUB 300 'Great White' Topper edition - LE 100pcs, Lume Dial, Full Set

Doxa SUB 300 'Great White' Topper edition - LE 100pcs, Lume Dial, Full Set

Doxa - 821.10.011.10 · $3,350
The Doxa Sub 300 'Great White' Topper edition is a limited release of only 100 pieces, featuring a no-date, luminous dial. This watch is one of the most interesting Doxa releases and each piece is individually numbered out of 100.

  • Condition: 94% - Light signs of wear on the bracelet and clasp with a couple of scratches visible on the highly polished bezel surface.
  • Movement Status: Running flawlessly
  • Bracelet Condition: Light signs of wear
  • Bezel Condition: A couple of scratches visible on the highly polished surface
Posted at
May 4, 2026, 9:52 PM
Active
[WTS] Doxa Sub 300 Beta LE black/yellow

Doxa Sub 300 Beta LE black/yellow

Doxa - Sub 300 Beta LE · $1,800
This is an example of Doxa's popular Sub 300 Beta, a watch known for its distinctive design. It comes in a black and yellow color scheme and is offered as a full kit.

  • Condition: very nice used condition
  • Payment Terms: cash preferred
Posted at
May 3, 2026, 10:18 AM
Active
[WTS] Your next summer mistake: DOXA SUB 300T Searambler Full Set 🌊

Your next summer mistake: DOXA SUB 300T Searambler Full Set 🌊

This DOXA SUB 300T Searambler is a silver-dialed diver's watch with beads-of-rice bracelet and vintage-diver vibes. It comes in a full set, including box, papers, travel case, and bracelet.

  • Condition: Great condition
  • Box: Full set includes box
  • Papers: Includes papers
  • Travel Case: Travel case included
Posted at
Apr 25, 2026, 2:40 PM
Active