Oniss Paris Men's Swiss Quartz Stainless Steel and Ceramic Dress Watch, Color:Black (Model: ON620-MRG BLK) High tech ceramic case and band with special diamond shape ceramic links IP rose plating bezel with IP black plating on the case and pushers Sapphire crystal Swiss ISA chronograph movement with day and date indicators Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion