Reach a higher altitude in style with the Promaster Air Skyhawk A-T the latest addition to the ultramodern Promaster Air collection. The performance-based design is expressed via silver-tone stainless steel case equipped with a matching integrated bracelet. The black dial presents the advanced functions of the watch including atomic time clock synchronization for superior accuracy time adjustment available in 43 world cities a 1/100 second chronograph measuring up to 24 hours a perpetual calendar GMT dual time (second time zone) 2 alarms a 99-minute countdown timer a digital backlight display a Universal Coordinated Time (UTC) display and a power reserve indicator. Maintaining the robust standards of the Promaster Collection the watch is water resistant up to 200 meters. Powered by Citizenâ€s proprietary Eco-Drive technology to provide light-powered vitality continuously and sustainably without ever needing a battery. Caliber U680.