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. Automatic movement. Iwc 51613 engine. Scratch resistant sapphire crystal. Pull / push crown. Skeleton case back. Case diameter: 44.2 mm. Case thickness: 15.5 mm. Round case shape. Band width: 22 mm. Deployant clasp. Water resistant at 30 meters / 100 feet. Functions: year, month, date, day, hour, minute, second, moonphase. Luxury watch style. Watch label: Swiss Made. IWC Portuguese Automatic Grey Dial 18kt White Gold Brown Leather Men's Watch IW502307.