Cartier Tank Quartz Small Model, WSTA0107, Silver-tone stainless steel case and bracelet. Fixed silver-tone stainless steel bezel. Analog dial with blued-steel sword-shaped hands and Roman numeral hour markers (inner minute scale). Sapphire crystal glass resistant to scratches. Automatic winding Cabochon crown. Rectangle case measuring 29.5 mm x 22 mm, thickness 6.6 mm. Automatic fold over clasp with safety lock. Water resistant up to 100 feet (30 meters). Functions: hour and minute readout only.