The model number of this Mens watch is 5970J-001.
This Patek Philippe Perpetual Calendar Chronograph 5970J-001 watch is water resistant down to 25 m and has the following functions: Chronograph, Date, Day, Day/Night Indicator, Month, Moonphase, Perpetual Calendar. It also has the following extra features: Small Seconds.
This watch also comes with a manufacturers warranty.
Please quote in all communication with us regarding this piece.