A professional tool for the deeps, this TAG Heuer Aquaracer Professional 300 Automatic Black Ladies Watch is built to perform, with a new slim case fit for any achievement. At A Glance  Presented on a stainless steel tapered bracelet with adjustable clasp and safety push buttons on the fastening 36mm case size with 300m water resistance Slimmer profile for improved comfort and ergonomics Black dial and wavy finishing with black 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