Contact firstname.lastname@example.org for pricing and availability; Either I have it, or I can get it! Shop all Patek Philippe watches: http://bit.ly/2NSwrhl The Patek Philippe 5550P-001 Perpetual Calendar Advanced Research is a 2011 model year limited edition of 300 pieces. This Perpetual Calendar, the fourth watch in Patek Philippe's Advanced Research series, is encased in 37.2 mm of platinum surrounding a silver dial on a brown alligator leather strap with a platinum buckle. A top-grade Wesselton diamond is set between the lugs at 12 o'clock. Features of the Patek Philippe caliber 240Q include silicon Patek Philippe Advanced Research features including the Gyromax SI balance wheel, a silicon Spiromax hairspring, the Silinvar silicon escape whee, Pulsomax silicon lever; to together, the form "Oscillomax," an assortment of advanced components that extends the power reserve to 70 hours. Additional features of the Patek Philippe 5550P-001 include a caseback magnifying glass (loupe), 24-hour dial, hours, minutes, seconds, date, month, moon phase, and perpetual calendar. The watch also measures 9 mm in thickness and 45.7 mm from lug-to-lug. For complete details, watch the full review! Please subscribe to our channel for the best luxury watch reviews on YouTube: https://www.youtube.com/WatchBoxReviews/?sub_confirmation=1 Visit our website at www.thewatchbox.com for the latest pre-owned luxury watch arrivals and industry-leading value in previously loved luxury timepieces.