Designed to withstand the extreme conditions of deep-sea diving, the Hydroscaph GMT Power-Reserve Chronometer is a sophisticated adventurer that is just at home in the abyss as on the wrist of a stylish globetrotter. Its ultra-technical case topped by an exclusive bezel – avoiding any accidental deregulation while diving – is equipped with an automatic helium release valve guaranteeing water resistance to 800 meters, while its patented lateral reinforcements protect it from shocks. The remarkably precise and reliable new Clerc Calibre C610 is certified by the Swiss Official Chronometer Testing Institute (COSC). This mechanical selfwinding movement endowed with a 42-hour power reserve notably drives an oversized 24-hour dual-time display at 6 o’clock.Like all Hydroscaph models, it has successfully passed a set of particularly stringent tests designed to ensure it meets standards extending well beyond conventional norms: traction, shocks, visibility, magnetism, water-tightness in deep waters, resistance to seawater and corrosion. Driven by a futuristic mindset and characterized by its uncompromising construction, the Hydroscaph GMT Power-Reserve associates the GMT function with the power-reserve indication, making this high-tech diving instrument a dream partner for long-distance travelers. A great favorite among divers, the GMT function is an ideal companion for these explorers of the extreme constantly looking for the best spots on the planet.