Take things up a notch with this Super Titanium™ CITIZEN Brycen timepiece…. Includes a 1/20 second chronograph up to 60 minutes, 12/24 hour time, perpetual calendar, dual time, tachymeter, date and alarm. The Super Titanium™ case and bracelet is completed with a midnight blue dial. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number E820.