An Art Deco pocket watch comprised of a carved rock crystal case with a diamond band, platinum bexel and bow, satined silver dial with "Breguet numerals on a mother of pearl chapter ring and blued steel cathédrales hands, in platinum. Cartier, Paris; 15'' European Watch & Clock Co. movement, "fausses côtes" decoration. 19 jewels, straight line lever escapement, cut bimetallic balance, 8 adjustments, Breguet balance spring.