In the air or on land, look stylish when you wear this men's Citizen Eco-Drive Promaster Air chronograph watch. The watch features a blue dial with silver-toned hands and markers, a trio of chronograph sub-dials and a date display at 4 o'clock. The 46mm black stainless steel case is topped with sapphire crystal and the watch has a blue ion-plated rotating bezel with calculator and tachymeter. Functions include atomic time clock synchronization, 1-second chronograph that measures up to 60 minutes and a perpetual calendar. The black rubber strap secures with a buckle clasp and the watch is water-resistant to 200 meters. The Citizen Eco-Drive technology is sustainably powered by light.