This black-red automatic mechanical watch uses Japanese NH35A automatic movement, synthetic sapphire crystal, excellent luminosity, 20 bar submersible, double fold over clasp, 39m case diameter, 20mm barrel width, 14.5mm case thickness. AD2043 also with a unidirectional rotating bezel, an ideal tool for tracking elapsed time during workouts, and a convenient day/date display and LumiBrite on the hands and indexes, ensuring excellent visibility even in low-light environment. It is the ideal automatic sports watch for hiking, mountaineering, surfing, sailing, diving and underwater exploration.