Small Cartier "Must 21" watch, stainless steel and 18kt yellow gold case (28mm diameter, 5.5mm thick), bezel engraved with 12 Roman numerals, steel circular grained crown decorated with a spinel cabochon, stainless steel and 18kt yellow gold bracelet, grey satin-finished dial, luminescent sword-shaped hands for increased visibility at night, #690 Caliber quartz movement, scratch-resistant sapphire crystal, water resistant to 30m.

With their sheer beauty, combinations of materials and resolutely urban spirit, the Cartier Must 21 and Cartier Must 21 Chronoscaph watches open the legendary jewelry world to a young, international and bold clientele. Style and energy, precision and elegance for a watch that expresses distinction of a wholly contemporary kind. Three counters on the dial and Roman numerals that revolve around a fixed bezel: a gleaming setting, signed with the double C Cartier motif. The Cartier Must 21 is available in two case sizes (28 and 31mm diameter) in steel or steel/gold on metal bracelet. The Cartier Must 21 Chronoscaph is available in two case sizes (32 and 38mm diameters) in steel with white or black rubber strap. Both the Must 21 and the Must 21 Chronoscaph are equipped with quartz movements and water resistant up to a depth of 30 meters.