Here is the description of this product, as per the "Unathorized Guide to: Smurfs Around the World":
Peek-A-Boo Smurf, manufactured by Illco. Issue date: 1983. Size: 6" high. Country: Macau. Value: $18-25. The toy is white, and on the front it has a Smurf. The Smurf's hands move over the Smurf's eyes and his feet move when you wind the button. The Smurf has ears that stick out on the side of the toy. The Smurf plays a lullaby.
Sassette Smurfling, administer of the Smurf Bulletin Board System, has two pictures of this toy, both of the front and the back. I'll get a copy and post them here! Hope this helps!