Perpetual Solar Alarm Chronograph Powered by light energy- no battery change required 6-month power reserve once fully charged Hour, minute, and small second hands Power reserve indicator Leap year, month, day, and date indicator Perpetual calendar adjusts for odd and even months including February of leap years up to 2100 Chronograph measures up to 60 minutes in 1/5 increments with split time measurement function When the measurement reaches 60 minutes, the stopwatch automatically stops counting Alarm LumiBrite hands Sapphire crystal Screwdown caseback Case diameter: 44.0mm Two-tone stainless steel case and bracelet Cabochon crown Water-resistant to 10 bar, 100 meters (330 feet) Caliber V198
