Ref. No./Code: 5059G-001 Brand: Patek Philippe Gender: Men's watch/Unisex Diameter (mm): 36 Condition: 1 (Excellent) Type of mechanism: Automatic Dial: White Glass: Sapphire glass Functions: Perpetual Calendar, Date, Day of week indicator, Moon Phase Indicator Model: Perpetual Calendar 5059 Availability: Available now Color of bracelet: Black Clasp: Double difficulty clasp Dial numerals: Roman numerals Caliber / Mechanism: PP315