Men's rectangle Citizen watch is made from black ion plated stainless steel and is fitted with a eco-drive movement. It is fastened with a black ion plated stainless steel linked bracelet and has a black diamond set dial. The case is 29mm in width and is waterproof to 30 metres with a mineral crystal glass. Code: BL6050-57E/C 5. All Citizen watches have a 5 year guarantee.