Brand New Authentic Cartier Tank Americaine Blue Leather Men's Luxury Watch Model WSTA0018. Blue Leather Alligator strap. Deployment clasp. Fixed bezel. Dial description: Blue Steel sword shaped hands and Roman numeral hour markers on a Silvered dial. Automatic movement. Watch functions: Hour, Minute, Second. Pull/Push crown. Scratch Resistant Sapphire crystal. Case size: 26.60mm x 45.10mm. Case thickness: 9.65mm. Solid case back. 30 Meters - 100 Feet water resistant. 2-year WatchMaxx warranty. Crown set with a synthetic blue spinel