Citizen Bianca. The Bianca collection represents the epitome of a ladies’ timepiece, showcasing all the sophistication, style and power that appeal to today’s woman. The simplicity of the case is partnered with an elegant pink dial with a curved sapphire crystal. Featured here in two-tone gold-tone stainless steel. Foldover clasp with prush buttons. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Case Diameter 32mm x 30 mm. Water Resistance 0050M.