From Longines, the Men's Legend Diver Automatic Black Leather Strap Watch features:  Stainless steel case Black lacquered 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 Case size approx. 42mm Water-resistant up to 30 bar Swiss Super-LumiNova Swiss made Imported.