La Grande Classique de Longines embodies the oldest aesthetic tradition of the brand known the world over for its winged hourglass logo. The slim profile of the specially designed case lends this collection a timeless beauty. Case Shape Round ,Material Stainless steel ,Glass Scratch-resistant sapphire crystal ,Dimension 37 mm, Water resistance 30 meter . Colour Sunray blue. Hour markers Painted Roman numerals, Silvered polished hands, Movement Type Quartz, Caliber L420, Functions Hours and minutes. Colour blue young cow leather strap with buckle. 2 years warranty.