For a sporty yet fashionable design, take a look at this Citizen Eco-Drive perpetual calendar chronograph. It is loaded with features including a 1/20 second chronograph that measures up to 60 minutes, 12/24 hour time, dual time, date, alarm, and luminous hands. The 44mm case has been designed in a versatile combination of stainless steel and is complemented by a brown leather strap with white contrast stitching and a foldover clasp with hidden double push button. Additional details include a screw-back case and 100 meter water resistance. Citizen Eco-Drive is fueled by light, any light, so it never needs a battery.