Silver-tone stainless steel case and bracelet. Fixed silver-tone stainless steel bezel. Blue dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Patek Philippe Calibre 26-330 S C Automatic movement, containing 30 Jewels, composed of 212 parts, bitting at 28800 vph, and has a power reserve of approximately 45 hours. Scratch resistant sapphire crystal. Transparent see through case back. Cushion case shape, case size: 35 mm. Fold over clasp with a safety release. Water resistant at 60 meters / 200 feet. Functions: date, hour, minute, second. Nautilus Series. Dress watch style. Watch label: Swiss Made. Item Variations: 5800 1A, 5800-1A, 5800, 5800/1A. Pre-owned Patek Philippe Nautilus Automatic Blue Dial Mens Watch 5800/1A-001.