Rado Rado D-Star #R15517152 Men Watch). Band Color: Black. Dial Color: Black. Display Type: Analog. Band Material: Ceramic. BandLength: Men Standard. Case Size Diameter: 41 millimetres. Case Material: Ceramic. Clasp Type: Deployment Buckle with Push Button. Bezel Function: Stationary. Crystal: Sapphire. Water Resistant Depth: 100 meters. Movement Type: Quartz. Calendar Type: Date. Model Number: R15517152 R1551715 R155171 R15517.