This Citizen Perpetual Chrono A.T watch is powered by Eco-Drive technology, meaning it is powered by light and never needs a battery. It features radio-controlled atomic clock synchronisation for superior accuracy in 24 time zones. Additional functions include a chronograph, perpetual calendar, Dual Times, and power reserve indicator. The watch has a stainless steel case and bracelet with a black dial, offering a sleek and sophisticated look. It is water-resistant up to 200 metres. The case size is 43mm, and it features a sapphire crystal glass.