45mm super titanium case with anti-reflective sapphire crystal and bracelet. Black dial with bright orange details and Promaster crown. The Promaster Skyhawk A-T collection is timeless with atomic timekeeping in 43 cities, a perpetual calendar, dual time, alarms and rotating slide rule bezel. 1/100 second chronograph measures up to 24 hours with U680 movement and Eco-Drive technology - powered by light and never needing a battery. Digital backlight display, universal coordinated time (UTC) display, power reserve indicator, and water resistant up to 200 meters.