From Longines, the Men's Master Collection Automatic Stainless Steel Bracelet Watch features:  Stainless steel Sunray blue dial Transparent case back with sapphire crystal Applied indexes Scratch-resistant sapphire crystal Triple safety folding clasp and push-piece opening mechanism Mechanical automatic movement Self-winding mechanical movement beating at 25,200 vibrations per hour, with a power reserve of approx. 72 hours Case size approx. 40mm Water-resistant to 3 bar Swiss made Imported.