For sale is a Vintage Potens Prima Squale Medium 20 ATM Stainless Steel Diver WatchMedium size stainless steel case measures approximately 34-35mm not including the crown and is showing some wear from use. Excellent Prima Potens Squale black dial that is quite glossy. Original handset with an awesome and much desired lollipop seconds hand. Super cool bezel is in good shape, no major chips or breaks, just mostly showing some surface scratches. Bezel is rotating well. Original acrylic crystal is in pretty good shape showing a few lights scratches.The 17 rubis movement is currently working well and keeping good time. Although, service history is unknown, therefore accuracy and performance cannot be guaranteed or warrantied. Lugs will fit an 18mm strap, if the buyer would like, I could ship the watch on a generic black strap. Please feel free to ask any questions. This watch is mostly no longer waterproof, please do not submerge or use for diving.