The refined yet sleek design of this Citizen Eco-Drive offers day-to-night fashion options for the avid trendsetter. This sharp chronograph is featured in a stainless steel case and bracelet with a black dial and the intriguing feature of edge-to-edge glass. Also includes a 1-second chronograph measuring up to 60 minutes, 12/24-hour time, and a reverse date window. Powered by Eco-Drive- the revolutionary light-powered movement from Citizen, this watch can continuously recharge in any light source and can run for a minimum of six months even in the dark without any charge. This revolutionary earth-friendly technology eliminates the need to change the battery frequently and gives you hassle-free timekeeping, never disappointing you when you need it the most. The Eco-Drive movement also comes with a built-in Insufficient Charge Warning Function and Overcharge Prevention Function.