Doxa. A stainless steel automatic calendar bracelet watch Model: Sub 300T Sharkhunter Aqua Lung Reference: 11899-4 Date: Circa 1970 Movement: Jewelled automatic Dial: Black, U.S. Divers Co logo at 8, white luminous filled baton hour markers, white outer minute divisions, date aperture at 3, white pointed baton hands with luminous inserts and cubist centre seconds Case: Brushed and polished tonneau form, screw down back, ratcheted uni-directional bezel with luminous dot at 12 and decompression limit times, No.6751322 Strap/Bracelet: Associated divers beads of rice Buckle/Clasp: Associated folding clasp Signed: Case, dial & movement Size: 42mm Accompaniments: Spare brown leather strap with Doxa folding clasp Footnotes: Doxa began making diving watches in the 1960s and soon came to the attention of Jacques Cousteau who was the head of U.S. Divers at the time. The Sub300T was such a hit that it soon featured the logo of U.S. Divers Co as can be seen with the current lot.