[product_description]Seiko 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 stainless steel case and bracelet. Its blue 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.[/product_description][unique_description_1]Technology: Solar Chronograph|Caliber V172|Powered by light energy – no battery change required|6-month power reserve once fully charged|Case Diameter (mm): 42.50|Case Thickness (mm): 11.65|Case Material: Stainless steel case|Crystal: Hardlex crystal|Dial Color: Blue|Strap: Dual-tone stainless steel bracelet with black ion finish|Water Resistance: 10 bar, 100 meters (330 feet)[/unique_description_1][unique_description_2]Solar Alarm Chronograph|12-hour alarm|Chronograph measures up to 60 minutes in 1/5-second increments with split time measurement function|When the measurement reaches 60 minutes the stopwatch automatically stops counting|Date Calendar|Hour, minute and small second hands|LumiBrite hands and markets|Screwdown caseback|[/unique_description_2]