Rado D-Star #R15518152 Men Watch. Band Color: Black. Dial Color: Black. Display Type: Analog. Band Material: Ceramic. BandLength: Men Standard. Case Size Diameter: 38.2 millimetres. Case Material: Ceramic. Clasp Type: Deployment Buckle with Push Button. Crystal: Sapphire. Water Resistant Depth: 100 meters. Movement Type: Quartz. Calendar Type: Date. Model Number: R15518152 R1551815 R155181 R15518.