The birth of the water resistant watch case came about in 1895, initiated by Mr. Edouard Heuer, fueled by his ambition to positively influence those who actively participate in extreme sports, as well as those who need or want a watch capable of indisputable accuracy and reliability. Triggered by this revolutionary advancement we've witnessed the development of TAG Heuer's Aquaracer collection, designed and constructed with the aim to permit safe ingress to the never before experienced destiny. Built from smooth stainless steel, its uni-directional rotating bezel, scratch resistant sapphire crystal glass and textured blue chronograph dial with luminescent fixtures and clear date aperture abide the Calibre 16 self winding mechanism secured within. - Case Width: 43mm - Watch Movement: Automatic - Water Resistance: 300 Metres - Calibre 16: Swiss Made. Automatic Calibre. 25 Rubies. Rapid Date Correction. 28,800 Vibrations Per Hour. Power Reserve Approx. 42 hours