Watches Details: 18kt yellow gold case with steel caseback. Black alligator strap. Silvered opaline dial with sword-shaped blued steel hands and black Roman numeral hour markers. Scratch resistant sapphire crystal. Tang buckle. Case size 34mm x 27mm. Quartz movement. Water resistant at 30 meters (100 feet). Cartier Tank Solo 18kt Yellow Gold Mens Watch W1018855