Doxa SUB 300T Professional

~$2,332 · 1 CHF = 1.234 USD (2026-07-22)

Year

2020

Category

Iconique

Reference

840.10.351.10

Case

42.50 x 44.50 mm · Acier

Material

Steel

Dial

Orange

Movement

Mécanique à remontage automatique Réserve de marche: 38 h, 28800 alt/h

Water resistance

1200 m

Price tier

$2K–$5K

Country

🇨🇭 Switzerland

In 1969, DOXA launched the SUB 300T Conquistador, the first mainstream dive watch equipped with a helium escape valve. 50 years later, the new SUB 300T presented in September 2019 pays homage to the revolutionary character of the original. This 3-hand dive watch, available in 6 dial colors, combines the aesthetic codes of the SUB 300T Conquistador with the technical characteristics of today's high-performance dive watch. Constructed from 316L stainless steel as well as a helium escape valve, the SUB 300T has a diameter of 42.5 mm and a scratch-resistant sapphire crystal with anti-reflective treatment. Designed to withstand pressures up to 120 bar, it