Big Pilot's Watch Perpetual Calendar Ceralume® IW505801 Riviere a new 40-mm case with

a new 40-mm case with a double polished and satin finish on the side

23 carats total weight F-G color

Houses IWC-manufactured automatic movement with 46 hours power reserve

the first watch designed by Karl-Friedrich Scheufele

Big Pilot's Watch Perpetual Calendar Ceralume® IW505801 Riviere a new 40-mm case withWith the Big Pilots Watch Perpetual Calendar Ceralume, IWC Schaffhausens proprietary luminous ceramic technology makes its debut in the Pilots Watches collection. A watch of two entirely different expressions, it captivates with subtle shades of white and grey in daylight and transforms into a vivid blue glowing instrument in the dark. CASE Ceralume Diameter 46. 5 mm Water resistance 10 bar DIAL White MOVEMENT Automatic, self winding 168 hours Power