MAYCO Quartz Alarm Chronograph, Hong Kong, late 1980ies
The Hong Kong Made Caliber
with one Jewel is unadjusted. The green plastic part is an insulator and a spacer. There is another picture of this watch's caliber with the green spacer removed. The two metal prongs "earth" this watch's circuits. The bigger gold plated spring connects to the Alarm membrane on the inside of the case back.