The latest addition to the Promaster Air collection, the Promaster Skyhawk, will take you to new heights in style and performance. The case of this must-have men's watch is grey ion-plated stainless steel, and the dial is black with yellow accents encased in a sapphire crystal. Atomic time clock synchronization for superior accuracy, time adjustment available in 43 world cities, 1/100 second chronograph measures up to 24 hours, perpetual calendar, GMT dual time (second time zone), 2 alarms, 99-minute countdown timer, digital backlight display, Universal Coordinated Time (UTC) display, and a power reserve indicator are among the advanced features. The stainless steel grey ion-plated bracelet fastens with a fold over clasp with hidden push buttons. This unique sports watch features our Eco-Drive technology, which is powered by any light and never requires a battery, and is water resistant up to 200 meters.