This Citizen Perpetual Chrono A-T features radio-controlled atomic clock synchronisation for superior accuracy in 24 time zones. Additional features include a chronograph, perpetual calendar, dual time and power reserve indicator. Styled in a stainless steel case and bracelet and black dial for a sleek, sophisticated look. Featuring Eco-Drive technology, powered by light, any light and never needs a battery. Ref: CB5898-59E Product Information Brand: Citizen Technology: Eco Drive Case Material: Silver Tone Stainless Steel Case Size: 43mm Type of Strap: Silver Tone Stainless Steel Bracelet Glass Material: Sapphire Crystal Dial: Black Water Resistance: 200m Gender: Mens