The Cartier Tank Normale watch (Ref. WHTA0020) is a limited edition timepiece that pays homage to the original Tank model introduced in 1917. This skeleton watch features a manual-winding mechanical movement, caliber 9628 MC, housed in a platinum case measuring 35.2 mm x 27.8 mm. The watch offers hours and minutes functions, along with a 24-hour day/night indicator. It comes with a gray alligator-skin strap and a burgundy alligator-skin strap, both secured by a platinum ardillon buckle. The movement consists of 150 parts, including 21 rubies, and has a power reserve of approximately 36 hours. This timepiece is part of a limited edition of 50 individually numbered pieces. Please note that it is not water-resistant.