Promaster Air Skyhawk A-T. Stainless steel case with matching integrated bracelet. Atomic time clock synchronization, time adjustment available in 43 world cities, 1/100 second chronograph measuring up to 24 hours, perpetual calendar, GMT dual time (second time zone), 2 alarms, 99-minute countdown timer, digital backlight display, a Universal Coordinated Time (UTC) display, and power reserve indicator. Water resistant up to 200 meters. Powered by Eco-Drive technology and charges by any light source so you never need a battery.