Patek Philippe 39mm Grand Complication Perpetual Calendar 18k White Gold 5327G-001 18 carat white gold case with a blue alligator leather strap. Fixed bezel. Royal blue sunburst dial with white hands and Arabic numeral hour markers. Dial Type: Analog. Date display at the 6 o'clock position. Three- date (inner moon phase), month, day of the week (inner leap year). Patek Philippe Calibre 240 Q automatic movement. Scratch resistant sapphire crystal. Skeleton transparent exhibition see-through case back. Case size: 39 mm. Round case shape. Water resistant to 30 meters / 100 feet. Functions: hour, minute, perpetual calendar. Luxury watch style.