The patent for the first water-resistant watch was registered by Edouard Heuer in 1892. In 2003, TAG Heuer picked up this watertightness concept and took it up a notch by rolex replica watches creating the Aquaracer collection, developing into the perfect timepiece for all kinds of extreme conditions, not just diving and other seafaring activities. Robust and water-resistant to 300 metres, the Aquarace, featuring a ceramic uni-directional rotary bezel, with its twelve sides and six studs, screw-down cartier replica crown, large luminous indications on the indexes and hands for improved visibility and screw-down case back engraved with a diver's helmet, is immediately recognisable. New for 2016, the Aquaracer black titanium version features Grade 2 titanium with black titanium carbide coating, a replica watches uk strap made from blue nylon with a rubber inner, and a case measuring 43 mm in diameter. The ceramic bezel has a sophisticated new design featuring engraved numerals with blue lacquer. The crystal of the date window also features a magnifier, reintroduced last year. At its heart beats omega replica the Calibre 5 automatic mechanical movement, offering proven accuracy and reliability. The Aquaracer 300 M 43 mm is available in three colourways: blue, black-and-red, and sand-coloured.