Cartier Women&#39;s W10198U2 Must 21 Chronoscaph Stainless Steel and Black Rubber Chronograph Watch Swiss Made watch with Cartier Calibre 471 Swiss-quartz movement Scratch-resistant-sapphire crystal; Case diameter: 34 mm Solid brushed and polished stainless steel case; Combination black rubber strap with stainless steel center links; Roman numeral engraved stationary stainless steel bezel Black dial printed with Cartier double C motif; Luminescent sword-shaped rhodium steel white hands; Crown with cabochon black rubber; Chronograph functions with 30-minute, 60-second, and 1/10th second subdials; Date function at 4 o'clock with magnifier Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving