Doxa SUB 300 SUB 300 Aquamarine

Reference 821.10.241.25

About this watch

The Doxa SUB 300 Aquamarine is a statement piece that combines performance and aesthetics for both diving enthusiasts and casual wearers. With its vibrant blue color and matte finish, this watch pops against the wrist, reminiscent of ocean depths. The tonneau shape is both unique and ergonomic, making it a comfortable fit. Crafted from stainless steel, this watch withstands pressures up to 300 meters. At the core is the ETA Caliber 2824-2 automatic movement, renowned for reliability and precision. The rotating bezel tracks elapsed time effortlessly, while luminous hands ensure visibility underwater. Durable sapphire glass and a robust case endure both elements and time.
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Key Features

  • ETA Caliber 2824-2 Automatic Movement
  • Stainless Steel Case with Rotating Bezel
  • Sapphire Glass for Scratch Resistance
  • 300 Meter Water Resistance
  • Tonneau Shape with Ergonomic Design
  • Vibrant Blue Color with Matte Finish

Specifications

Brand
Doxa
Family
SUB 300
Model
SUB 300 Aquamarine
Reference
821.10.241.25
Movement
2824-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 42.5mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

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