Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel. Black dial with silver-tone hands and diamond hour markers. Dial Type: Analog. Date display at the 3 o'clock position. Longines Calibre L595 automatic movement with about 40 hours power reserve. Scratch resistant sapphire crystal. Pull / push crown. Skeleton case back. Case diameter: 26 mm. Round case shape. Deployment clasp. Water resistant at 30 meters / 100 feet. Functions: date, hour, minute, second. Dress watch style. Watch label: Swiss. Item Variations: L4 309 4 78 6, L4-309-4-78-6, L4/309/4/78/6, L43094786.