WATCH MATERIAL INTERCHANGE LIST
 420/799
 CROWN WHEEL
 1101/
 Price Each $  20.50
 
 BM 600  21,600 BPH-
 KF 13-50  21600 BPH INCA
 OME 580  21,600 BPH INCA BLOC
 PIA 6P  
 PIA 6P1  21,600 BPH