Brand New Authentic Hamilton Ventura Automatic Open Heart Men's Watch Model H24515732. Stainless Steel Case with Black Alligator Leather strap. Tang clasp. Dial description: Black Dial with Silver Index Hour Markers dial. Automatic Self Winding movement. 80 hours power reserve. Scratch Resistant Sapphire crystal. Case size: 53.5mm x 34.7mm. 50 Meters - 165 Feet water resistant. 2 year WatchMaxx warranty. 21mm Lug Width Also known as model: H24515732.