The storm marzella is from our premium storm black collection this sophisticated timepiece has a white ceramic and 21 karat gold plated strap with a white dial this watch has a sleek ultra slim strap and case swiss movement scratch resistant sapphire glass and a semi precious onyx stone on the crown waterproof to 50mspecificationr features ceramic bezel middle links swiss movement sapphire glass onyx crown made in englandr movement swiss movementr case material stainless steel cer