The refined yet sleek design of this Citizen Eco-Drive offers a 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 reverse date window. Powered by Eco-Drive- the revolutionary light powered movement from Citizen, this watch has the ability to 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 battery frequently and gives you hassle-free timekeeping, never disappointing you when you need it the most. The Eco-Drive movement also come with built-in Insufficient Charge Warning Function and Overcharge Prevention Function.