Remarkably dynamic and visually appealing, this citizen eco-driveâ® a-t chronograph watch is an impressive design. Crafted in stainless steel, this innovative timepiece features a 47. 0mm case, anti-reflective mineral crystal, black dial, luminous hands and markers, digital backlight, 1/100 second chronograph, perpetual calendar, power reserve indicator, dual time, alarms, and pilot's slide rule bezel. This radio-controlled watch offers synchronized atomic time adjustment in 43 cities. The link bracelet secures with a deployment clasp. Citizen eco-driveâ® technology harnesses the power of any light source so this style never needs a new battery. Water resistant to 200 meters, this wristwatch includes a five-year limited manufacturer warranty, with an additional one-year warranty upon registering your watch with citizen. We are an authorized citizen dealer.