Blending passion for speed with accuracy, this Citizen Perpetual Chrono A-T Men\'s Watch features radio-controlled atomic clock synchronisation for superior accuracy in 24 time zones. At A Glance  Presented on a stainless steel bracelet 43mm case size with 200m water resistance Black dial with chronograph sub dials White hands and markers with date window at 4 o\'clock Anti-reflective sapphire crystal glass Eco-drive technology with synchronised to atomic time clock for superior accuracy