This is a IWC 10 1/2 ligne wristwatch movement.
It is probably from a mid size gold watch.
It has no seconds hand.
It is 19 jewel with 6 adjustments.  
I wound it up and it has been running for a few hours.
Good staff, it has good balance motion.
Winds and sets easily.
I don't know the caliber number.
It comes with a slip on dial that is marked Spaulding & Co.


It will be shipped in a box.