This is a rare, near-mint condition, Keith Haring designed, vintage Swatch Watch known as Serpent GZ102 from the 1985 Fall Winter Collection. It runs and keeps perfect time with a new battery. This watch was never worn and comes with the original quartz battery which no longer works but shows no sign of corrosion. This watch is number 4372 of 9999 made. A plastic protective storage case and paper are included. It is 34mm in diameter, and it fits a 6 1/4 - 8 1/4 inch wrist (15.88 - 20.96cm.).