Tank Louis Cartier watch Large model Manufacture mechanical movement with manual winding 18K yellow gold (750/1000) case Beaded crown set with a sapphire cabochon Green lacquer-effect dial Gold-finish steel sword-shaped hands Mineral crystal Semi-matte green alligator-skin strap 18K yellow gold (750/1000) ardillon buckle Case dimensions: 33.7 mm x 25.5 mm Thickness: 6.6 mm Water-resistant up to 3 bar (approx. 30 meters/100 feet)