WATCH MATERIAL INTERCHANGE LIST
 X/1289
 SCREW, HOUR RECORDING YOKE
 2819/OME 27C12
 Price Each $  3.80
 
 LEM CH27C12  CHRONOGRAPH-HOUR RECORDER
 OME 27C12  CHRONOGRAPH HOUR RECORDER
 OME 321  18000 BPH-INCA-CHRONO-HOUR RECORDER (LEM CH27-CH27C12)
 TIS C27-4H  CHRONOGRAPH-HOUR RECORDER