PAYPAL ONLY.  Please read ENTIRE description before clicking the Buy It Now.  Vintage Swiss made 17 Jewel Pierce Pi men's wristwatch with a unique floating dial and see-through skeleton back.  A rare beauty, I've never seen another one show up on eBay and I have been looking for years!  Watch has been in my collection and in storage for 20 years.  I got it out the other day, set the time, wound it, and checked it about 15 hours later and it was still running, it had gained about three minutes, compared to my cell phone.  So, it works, to that extent.  Of course, it goes without saying, if you wanted to wear it everyday, it would need servicing and to have the time adjusted.  The only other issue I see is that the small hand is not lined up with the hour, it is slight ahead of the number by a few degrees, this is easy to get used to and doesn't affect the coolness, but I thought I should mention it.  Of course, it could be easily lined up when you have the watch serviced.  No biggee.  Otherwise, it is just how it was when I put it into storage.  I have not attempted to clean or polish it.  It could use a new band to freshen it up.  The crystal and back crystal both have wear and scratches, see pics.  The dial shows wear, again see pics.  The case also shows wear, see pics.  What you see is what you get, in other words.  I do guarantee it to be as I have described it, with all its flaws.  The pictures are part of my description.  I do not claim to be a watch expert.  Please study the pictures and see if this watch appeals to you.  I highly doubt if many collectors own one.  As far as price, vintage Pierce watches sell between $200 and $2500.  I have priced this one at the bottom of that field.  Very attractive wristwatch.  If you have interest, but don't like my pricing, please make a fair offer.  USA shipping is $10, International shipping is $36.50  Payment is by Paypal only, please.  Buy with confidence, my 18th year on eBay, people seem to like my stuff!  Thanks for your consideration, Jeff