CITIZEN Promaster Navihawk A-T is a flight-ready, feature-packed pilot watch that combines Eco‑Drive light-powered movement with radio-controlled atomic timekeeping for accurate worldwide travel. Key attributes: Gray | Ivory | Steel | Stainless steel | Water resistance WR 20 Bar | Eco-Drive light-powered movement | Radio-controlled atomic timekeeping | Sapphire crystal | World time (26 time zones) | Perpetual calendar with day/date | 1/20 second chronograph (up to 60 minutes) | Power reserve indicator | Bracelet with fold-over safety clasp and push buttons | Pilot-style dial with aeronautical slide-rule scale | Luminous hands and markers for low-light legibility | Triple-link bracelet with bold crowns | Dimensions & fit: Case diameter: 41.00 mm | Composition & care: Stainless steel | Sapphire crystal | Wipe clean with a soft cloth. Avoid chemicals and prolonged exposure to extreme temperatures. Have bracelet sized and serviced by an authorized technician.