18kt white gold case with a brown leather strap. Fixed 18kt white gold bezel. Grey dial with silver-toned hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Perpetual calendar. Four combined – day of the week (60 second), month, date (7 days) and moonphase subdials. IWC Calibre 51613 Automatic movement, based upon IWC 51610, containing 62 Jewels, bitting at 21600 vph, and has a power reserve of approximately 168 hours. Scratch resistant sapphire crystal. Pull / push crown. Skeleton case back. Round case shape, case size: 44.2 mm, case thickness: 15.5 mm. Band width: 20 mm. Deployment clasp. Water resistant at 30 meters / 100 feet. Functions: perpetual calendar, moon phase, year, month, date, day, hour, minute, small second, power reserve indicator. Portuguese Perpetual Calendar Series. Luxury watch style. Watch label: Swiss Made. Pre-owned IWC Portuguese Perpetual Calendar Automatic Grey Dial Men’s Watch IW502307.