A highly-functional men's watch from Citizen. The perpetual calendar and time is radio controlled, synchronised in five time zones to atomic clocks for superior accuracy. Powered by Citizen's renowned Eco-Drive movement, meaning you'll never need to change the battery. With perpetual calendar functions, 12 / 24 hour analogue time, chronograph and alarm. The black ion-plated dial also features a day of the week dial and date window. Protected by a non-reflective sapphire crystal face, with a screw-back case. Fastens with a stainless steel bracelet strap, securing with a fold-over clasp and push-button release. Water resistant to 200m / 20ATM.