Invicta Women's 15055 Angel Analog Display Swiss Quartz Gold Watch Swiss quartz movement Flame fusion crystal; 18k gold ion-plated stainless steel case with blue sapphire stones on lugs; 18k gold ion-plated stainless steel bracelet Swiss-quartz Movement Case Diameter: 31mm Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving