Cartier Must de Cartier 21 classic watch, vintage, one of Cartier's most famous and sought-after models among luxury watch enthusiasts. The Must de Cartier 21 collection was launched in the late 1980s, continued production through the 1990s and early 2000s, and Cartier has since discontinued it. (Specifications) Model: Must de Cartier 21 Movement: Swiss Quartz Material: Stainless steel case and bracelet with yellow gold plated details. Crystal: Scratch-resistant Sapphire Crystal. Dial: Classic white with blue hands and prominent Roman numerals on the bezel. Size: Large size 32 mm Notes: Missing one or two links, but the watch is in excellent condition and comes with its original Cartier box. Material: Stainless Steel Movement Type: Quartz Features: Water Resistant