18kt white gold case with a black alligator leather strap. Fixed 18kt white gold bezel. Charcoal gray dial with silver-tone hands and index hour markers. 24 hour (day / night) markers. world time cities around the outer rim. Dial Type: Analog. Patek Philippe Calibre 240 HU Automatic movement, based upon Patek Philippe 240, containing 33 Jewels, composed of 239 parts, bitting at 21600 vph, and has a power reserve of approximately 48 hours. Scratch resistant sapphire crystal. Transparent case back. Round case shape. Case size: 38.5 mm. Fold over clasp. Water resistant at 30 meters / 100 feet. Functions: world time, GMT, second time zone, hour, minute, day/night indicator. Travel watch style. Watch label: Swiss Made. Patek Philippe Complications 18kt White Gold Automatic Mens Watch 5230G-001.