Citizen CA4155-12L Ecosphere Eco-Drive chronograph men's watch features a 48mm wide and 14mm thick black ion plated solid stainless steel case with a blue chroma finish fixed bezel and a textured push-pull crown with function pushers. Citizen CA4155-12L is powered by a precise Japanese B620 Eco-Drive chronograph movement (Eco-Drive is fueled by light so it never needs a battery). This stylish watch also features a textured blue dial with white accent black luminous hands and index hour markers along with the chronograph (1/5 -second chronograph measuring up to 60 minutes), 12/24-hour time and date display functions, scratch resistant hardened mineral crystal and water resistant to 100 meters. Citizen CA4155-12L is equipped with a 24mm wide black polyurethane rubber strap with a buckle clasp. Citizen CA4155-12L men's Ecosphere blue dial Eco-Drive chronograph watch is brand new and comes in an original Citizen gift box and is backed by a 5 years limited warranty.Citizen CA4155-12L Men's Ecosphere Blue Dial Eco-Drive Chronograph Watch