In 1968, DOXA launched the SUB 300T Conquistador, the first general public diver's watch equipped with a helium release valve. 50 years later, the new SUB 300T presented in September 2019 pays tribute to the groundbreaking original.
This 3-hand diver's watch, available in 6 dial colors, combines the aesthetic genes of the SUB 300T Conquistador with the technical refinements that define the high-performance diver's watch of today. Constructed from 316L stainless steel of the highest quality, the SUB 300T has a diameter of 42.5mm and a scratch-resistant sapphire crystal with an anti-reflective coating. Rated to withstand pressures up to 120 bar, this diver is effectively waterproof to a depth of 1,200 meters and features the patented unidirectional rotating bezel with an integrated no-decompression dive time calculator. All elements providing dive-relevant information are highlighted with a Super‑LumiNova® luminescent insert to ensure optimal legibility underwater. The bracelet is 316L stainless steel and features a folding clasp with the DOXA fish symbol.
Swiss mechanical automatic, self-winding
Power reserve 38 hours
Frequency 28,800 vph (4.0 Hz)
Decorated by DOXA
Stainless steel case
Diameter 42.50 mm x 44.50 mm
Height 13.65 mm
Water resistance 120 ATM / 1,200 meters / 4,000 feet
Stainless steel, screw down case back
Hours, minutes, seconds
Unidirectional rotating bezel
Bracelet / Strap
Stainless steel bracelet "separate Beads of Rice" style, attached by screws to ensure a secure fit, folding clasp with ratcheting dive suit extension, exclusive DOXA fish logo.
FKM rubber strap, folding clasp with ratcheting dive suit extension, exclusive DOXA fish logo.
Lug width 20.00 mm
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Bracelet & Straps
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