From Longines, the Men's Legend Diver Automatic Blue Leather Strap Watch features:  Stainless steel case Blue dial Leather strap Buckle closure Automatic movement Silver polished hands Painted Arabic numerals and indexes Internal turning diving flange, screw in; screw down case back Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on the underside Self-winding mechanical movement beating at 25,200 vibrations per hour, with a power reserve of approximately 72 hours Hours, minutes, seconds and date Swiss Super-LumiNova Case size approx. 42mm Water-resistant up to 30 bar Swiss made Imported.