The movement is signed and working, it will need a service to keep accurate time as is ticking slowly, also winder will need attention, possibly a problem with set lever spring, you have to push the winder down to wind it. Movement has serial number 17190004. The 14k gold Keystone case is stamped with the serial number 5350001. Case is 43mm wide, dial is starting to show signs of age. Small dent to case back. Overall weight is approx 62 grams.