Lifestyle Watches are pleased to offer to market this stunning 2026 DOXA SUB 300T Aquamarine, reference 840.10.241.25.

DOXA’s association with professional diving stretches back decades, with the original SUB 300T Conquistador released in 1968. It was the first dive watch available to the general public to feature a helium release valve, helping to establish DOXA as one of the most important names in the development of purpose-built diving watches.

Introduced in 2019, the modern SUB 300T pays tribute to the pioneering Conquistador while incorporating the technical performance expected from a contemporary professional dive watch. Its distinctive cushion-shaped case is manufactured from 316L stainless steel and features a scratch-resistant sapphire crystal, helium release valve and an impressive water resistance of 1,200 metres.

One of the model’s defining features is DOXA’s patented unidirectional rotating bezel. Its integrated dual scale allows divers to calculate depth alongside no-decompression dive times, maintaining the functional character that has made the SUB collection so recognisable.

This Aquamarine edition gives the watch a brighter and more contemporary feel, pairing its vivid turquoise-blue dial with a matching FKM rubber strap. The compact dial layout, oversized minute hand and Super-LumiNova-filled diving indications provide excellent legibility, while the date display at 3 o’clock adds everyday practicality.

Inside is a DOXA-decorated Swiss automatic movement, operating at 28,800 vibrations per hour and providing a power reserve of approximately 38 hours.

Box & Papers Present:
Yes

Warranty:
Two years from the original date of purchase

Dial:
Aquamarine dial with Super-LumiNova hands and hour markers

Bezel:
Unidirectional stainless steel bezel with integrated no-decompression dive scale

Case Size:
42.5mm x 44.5mm

Case Thickness:
13.65mm

Movement:
Swiss mechanical automatic movement – approximately 38-hour power reserve

Strap:
Aquamarine FKM rubber strap – 20mm lug width

Clasp:
Stainless steel folding clasp with ratcheting wetsuit extension

Water Resistance:
1,200m

Enquiries always welcome.