Up for sale is this Hard to Find Vintage Instrument Flight Rules IFR HEUER Aircraft Stop Clock. Made in Switzerland. The numbers on the side are 113294. The movement says HEUER 7710. The clock is in Pre-owned Used Condition. ***Please note that this clock will not wind up and is NOT working and will need to be repaired. It is missing 1 screw on the back. The crystal has a few scuff marks on it. Some scratches & scuff marks. Selling for Repair or Parts Only ! Not Working. ...Please see pictures.