Longines La Grande Classique round polished case made from the most durable steel available 316L surgical steel and plated in a special PVD. Case diameter 38 mm. Round case shape. Fold over deployment clasp. Water resistance 30 meters. Functions hour minute.Sapphire crystals White Dial set with Painted Black Roman Numeral Hour markers Quartz Movement. Dress watch style. 2 years Warranty.