This Citizen men’s Sports watch in black ion-plated stainless steel with a black leather strap is the perfect everyday timepiece. Featuring a 1/5 second chronograph measuring up to 60 minutes, 12/24 hour time with a screw-back case. 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.