This is a vintage Skin Swatch Watch known as Pure Black SFK116 from 1999. It runs and keeps perfect time with a new and included Renata battery. This watch is in fantastic condition. Skin Swatch Watches are about as thin as an American quarter (3.9mm). The bands are made of stainless steel and black rubber. The diameter of the watch is 34mm. The width of the straps is 16.5mm. From tip to tip it is eight inches long (20.32cm), and up to an inch and a half (3.81cm) can be taken out of that by removing one or more links. This watch is water resistant to 3 Bars (100 feet/30 meters).