A rich black dial and stainless steel case and bracelet provide sleek sophistication to the Octavia perpetual calendar chronograph watch from the Citizen Signature collection. This 1/20 second chronograph measures up to 60 minutes and offers 12/24 hour time, dual time and alarm. Additional features include a date window, luminous hands and a dual-coated anti-reflective sapphire crystal. The men’s watch with 42mm case is water resistant to 100 meters and features a screw-back case and secure push-button fold-over clasp. Octavia perpetual calendar chronograph features Citizen eco-drive technology which means that it is fueled by light, any light, so it never needs a battery.