This Citizen Chrono Perpetual A-T AT4000-02E is a super very impressive Gents watch, with a stainless steel case and silver touches on the dial. This fantastic and intelligent mens watch features date and month functions, chronograph, tachymeter, radio control, 200 metres water resistancy and alarm function. The watch is powered with the Citizen eco-drive movement. The timepiece will receive radio signals both automatically and on-demand. Both the time and calendar will update based on a chosen radio controlled time zone (LAX, DEN, CHI, NYC or LON) and provided you are within that radio signal zone. We ship it with an original box and a guarantee from the manufacturer.