This marvelous vintage Illinois Guardsman watch features a 14K white gold-filled case with a luminous dial equipped with a secometer second window and luminous skeleton hands. This model features engraved lugs which is seldom seen on the market these days. The bezel and sides are also meticulously engraved and the watch sets and winds very smoothly. Powering this wristwatch is a Illinois 307 movement with 17 jewels that has not been serviced but runs strong although it was about 10 minutes slow when it was bench timed for 24 hours even with the regulator needle shifted to "F." Serial on movement: 5340624. The inside back case reads: Model 170, 3/0, Keystone Watchcase, J.Boss, 14K Goldfilled, 7083589. The mid section of this 3-piece case also has the corresponding serial number of 3589. This watch measures approximately 32mm wide (excluding the crown) x 37mm from lug end to lug end.