Radio Sync Solar Chronograph Radio-controlled: Automatically receives radio signals to precisely adjust the time and calendar Powered by light energy- no battery change required Signal reception and result indicator World time function (25 time zones) 24 hour indicator 6-month power reserve Power save function Chronograph measures up to 60 minutes in 1/5 second increments with split time measurement function Date calendar LumiBrite hands and markers Screwdown crown Glass caseback Sapphire crystal Case diameter: 44.5mm Two-tone stainless steel case and bracelet Cabochon crown Water-resistant to 10 bar, 100 meters (330 feet) Caliber 8B92
