Stainless steel case with a brown (calfskin) leather strap. Fixed stainless steel bezel. Silver dial with blue hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Date display at the 3 o'clock position. Automatic movement with a 42 hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Skeleton case back. Case diameter: 40 mm. Case thickness: 12 mm. Round case shape. Deployment clasp. Water resistant at 30 meters / 100 feet. Functions: date, hour, minute, second. Casual watch style. Watch label: Swiss Made. Item Variations: L2 648 4 78 3, L2-648-4-78-3, L2/648/4/78/3, L26484783. Longines Master Collection Automatic Silver Dial Brown Leather Mens Watch L2.6188.8.131.52.