The Calibre 8700 offers effortless style with a brown leather strap and rose gold-tone case, paired with a black dial. Featuring a 1/5 second Chronograph which measures up to 60 minutes, perpetual calendar, alarm and anti-reflective sapphire crystal. This timepiece is powered by Citizen Eco-Drive technology powered by light, any light. Never needs a battery.Dual Time Function; 12/24 hrs Display; Alarm Function