Tank Louis Cartier skeleton watch sapphire precious stone, size 30 x 39.2 mm. 18K white gold case K; 18K white K gold grained crown set with a cabochon sapphire, it is the completing touch. Sword-molded blue steel hands. Dark crocodile cowhide strap, wear agreeable. K with 18K white gold collapsing catch. Empty outline, hours, minutes,…