Vintage Mepa pendant watch from the 1960's.
Manual wind, Swiss, 17 Jewels, Skeleton back. Measures 1 5/8" tall including the bow (the V shaped bail). It is 1 3/16" in diameter not including the crown. Dial faces the wearer so it's easy to read. Runs and keeps good time.
The Mepa watch is the one on the right hand side in the joint photos. Chains sold separately.