Tank Louis Cartier watch Large model Manufacture mechanical movement with manual winding Case in yellow gold 750/1000 Beaded crown set with a sapphire Black lacquer dial Golden-finish steel sword-shaped hands Mineral crystal Semi-matt black alligator leather strap Ardillon buckle in yellow gold 750/1000 Case dimensions: 1.32” x 1” Thickness: 0.25”. Water-resistant up to 3 bar (approx. 30 meters/100 feet)