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
Helium release valve
Braclet / 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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