The Patek Philippe Grand Complications Perpetual Calendar Chronograph features a 40mm 18k rose gold case surrounding a silver dial on a brown alligator strap with a 18k rose gold deployant buckle. Functions include hours, minutes, small-seconds, day, date, month, perpetual calendar, moon phase and chronograph. The watch also measures 13.2mm in thickness and 46.2mm from lug-to-lug.

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