Calibre 335 SC nickel lever movement, 29 jewels, mono-metallic balance, 18K gold rimmed rotor. Original Patek Philippe champange dial with diamonds as index markers. Original Patek philippe 18K yellow gold Nautilus Case 37mm, factory set with three-row diamond on the bezel. Original 18K yellow gold full pavé-set diamond bracelet and clasp. Original Patek Philippe Wooden Box & Extract From The Archives Dated FEB 2017. Must view to appreciate..........