The Cartier Santos W20060D6 has a 31.6mm Steel case (measured across its width,excluding crown),a Silver Roman Numeral dial,a Steel bracelet,and is powered by a Quartz movement.
Swiss Made watch with Cartier Calibre 687 Swiss-quartz movement
Scratch-resistant-sapphire crystal; Case diameter: 29 mm
Solid square stainless steel case and screw studded stainless steel bracelet
Roman numeral off-white dial; Blued steel sword-shaped hands; Studded stainless steel stationary bezel; Date window at 3 o’clock
Water-resistant to 99 feet (30 M)