Embark on your next maritime adventure with the TAG Heuer Aquaracer Professional 300 at your side. Fueled by the COSC-certified Calibre TH31-00, this 42 mm watch is your steadfast companion for all your sea-bound exploits. A born diver. Ultra-legible thanks to its Super-LumiNova-filled hands and indexes, the deep green sunray brushed dial, and its vivid lime green seconds hand nod to the ocean's mysteries.