Seiko SUP433P Solar Data WatchCaseMaterial Plastic 1 minute increments and 1 hour increments) 1 minute increments and 1 hour increments) * Other: Auto repeat Light: * Electro luminescent backlight * Afterglow Calendar: Full auto calendar (to year 2099) Stopwatch: * 1 100 second stopwatch * Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) * Measuring unit: 1 100 second (for the first 60 minutes) 1 second (after 60 minutes) * Measuring modes: Elapsed time Eco Drive Chronograph 44mm Case Size Stainless Steel Case Leather Strap Mineral Crystal Glass 100 Meters Water Resistant Water resistant up to 30 meters 3mm Case Size Stainless Steel Case and Bracelet Hardlex Glass 30 Meters Water Resistant