PATEK PHILIPPE GOLD WRISTWATCH: Gents gold watch. Case reference number 3411, serial number of case is 2630250. The case is 18K gold and is proper to the watch serial number, signed ''Patek Philippe''. Serial number of watch is 710357. Movement is caliber 27SC, signed Patek Philippe. The dial is in excellent condition, not refinished. The 18K aftermarket band is by Geneve. In working order.