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 7 o'clock position. Three sub-dials displaying: small second, date/moonphase and power reserve indicator. Patek Philippe Calibre 240 PS IRM C LU Automatic movement, containing 29 Jewels, composed of 265 parts, bitting at 21600 vph, and has a power reserve of approximately 48 hours. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Cushion case shape, case size: 42 mm. Fold over clasp with a safety release. Water resistant at 60 meters / 196 feet. Functions: moon phase, date, hour, minute, small second, power reserve indicator. Nautilus Series. Dress watch style. Watch label: Swiss Made. Pre-owned Patek Philippe Nautilus Automatic Moon Phase Blue Dial Mens Watch 3712/1A-001.