This new TAG Heuer Aquaracer Professional 300 Automatic Blue Men\'s Watch is a true diving watch, built to endure any conditions and offers heavy-duty looks blended with unrivalled comfort for the ultimate dive watch. At A Glance  Presented on a stainless steel bracelet with safety push buttons on the fastening 43mm case size with 300m water resistance Slimmer profile for improved comfort and ergonomics Blue sunray brushed dial with blue unidirectional ceramic bezel and dive scale Octagonal indexes with large set hands set with Super-LumiNova Scratch resistant sapphire crystal glass Powered by the automatic calibre 5 movement Power reserve of 38 hours