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

REPOST Doxa Sub 300T Divingstar - $1,264 shipped express

Doxa - Sub 300T Divingstar · $1,264

This listing is for a Doxa Sub 300T Divingstar watch that features a Sellita SW200-1 movement. The watch has a 42.5mm case size and provides a water resistance of 1200m.

Condition: Used
Case Size: 42.5mm diameter
Lug To Lug Length: 45mm
Lug To Lug Width: 20mm

Posted at

Mar 22, 2026, 6:54 PM

Active

View listing on r/WatchExchange

REPOST Doxa Sub 300T Divingstar - $1,324 shipped express

Doxa - Sub 300T Divingstar · $1,324

This Doxa Sub 300T Divingstar is a used diving watch with impressive features. It has a case size of 42.5mm and measures 45mm lug to lug in length, as well as 20mm in width.

Condition: Used
Case Size: 42.5mm
Lug To Lug Length: 45mm
Lug To Lug Width: 20mm

Posted at

Mar 15, 2026, 8:22 AM

Active

View listing on r/WatchExchange

Doxa Sub 300T Divingstar - $1,429 shipped express

Doxa - Sub 300T Divingstar · $1,429

This listing features a Doxa Sub 300T Divingstar, a watch designed for diving. It has a case size of 42.5mm and is powered by the Sellita SW200-1 movement.

Condition: Used
Case size: 42.5mm diameter
Lug to lug length: 45mm
Lug to lug width: 20mm

Posted at

Mar 11, 2026, 5:08 AM

Active

View listing on r/WatchExchange