Vintage 1962 Enicar Sherpa Graph Swiss Chronograph Men’s Wrist Watch Consign Now DeptJewelrySizeCase width without crown 40mm. Vintage 1962 Enicar Sherpa Graph Swiss Chronograph Men’s Wrist Watch, Mark 1D, circa 1962, serial number 562028, Tachymetre ring, famously worn by British Formula 1 racer Jim Clark. Case width without crown 40mm. Please note that this auction has ended. Click here for an overview of this auction.