Seiko Essentials SSC143Essentials CollectionSeiko Solar Alarm Chronograph. No battery change required and powered by all types of light. Solar cell with high performance electricity generation. Energy-efficient movement with long power reserve. This handsome timepiece has a black ion-finished two-tone stainless steel case and bracelet. Its black dial features three chronograph subdials, luminous hands and markers, and date calendar. Alarm can be set on a 12-hour basis with two small hands. Chronograph measures up to 60 minutes in 1/5 second increments with split time measurement. Alarm hands can indicate the time in a different time zone. 100 meters water resistant.