Clerc Hydroscaph Big Date Power Reserve
Pre-BASEL 2010: The Hydroscaph, made in Switzerland, has an intricate case comprising of more than 75 components. It is made of 18kt rose gold and black titanium measuring 45mm x 49mm. It has a helium escape-valve guaranteeing water-resistance to a depth of 1,000 meters. The crystal is an AR-coated sapphire. It has the automatic Swiss caliber C602 movement with 28 jewels and a 45 hour power reserve. It features chamfered bridges with Cotes de Geneva decoration and blued screws.
