Doxa SUB 300 SUB 300 Aquamarine / Bracelet

Reference 821.10.241.10

About this watch

The Doxa SUB 300 Aquamarine is a stunning diving watch that delivers exceptional performance under the sea, with its vibrant blue aquamarine dial and robust tonneau shape. At the core of this timepiece is the ETA Caliber 2824-2 automatic movement, known for its reliability and precision. With a water resistance of 300 meters, it's suitable for professional divers and casual swimmers alike. The watch comes equipped with a sturdy stainless steel bracelet that complements the overall design, striking a perfect balance between style and substance.
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Key Features

  • ETA Caliber 2824-2 automatic movement
  • Vibrant blue aquamarine dial
  • Robust tonneau shape
  • 300 meters water resistance
  • Sturdy stainless steel bracelet
  • Sapphire crystal glass
  • Tonneau-shaped case with matte finish

Specifications

Brand
Doxa
Family
SUB 300
Model
SUB 300 Aquamarine / Bracelet
Reference
821.10.241.10
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] My kids asked for a PSA 10 Pikachu. Apparently this was not an acceptable substitute — Doxa SUB 300T Searambler Full Set

My kids asked for a PSA 10 Pikachu. Apparently this was not an acceptable substitute — Doxa SUB 300T Searambler Full Set

The Doxa SUB 300T Searambler is a modern diver's watch that combines a silver dial and steel bezel for a unique vintage-tool-watch vibe, making it one of the coolest divers out there.

  • Condition: Excellent with light wear only
  • Comes With: box, warranty card, manuals, tag, full bracelet
Posted at
May 11, 2026, 9:37 PM
Active
[WTS] [WTT] Doxa Sub 300 Beta 42.5mm

[WTT] Doxa Sub 300 Beta 42.5mm

Doxa - Sub 300 Beta · $1,800
This is a Doxa Sub 300 Beta in excellent condition with no notable issues, it's also fully functional and comes with all its original accessories.

  • Condition: Very nice condition
  • Case Size: 42.5mm
Posted at
May 9, 2026, 4:53 PM
Active
[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