These seem to be quite a rare item, my search for others pretty much drew a blank, save for one that end recently on eBay. This (linked advert) is mine, I don't have a 'buy it now' price but would consider one if a tempting offer was made....
www.ebay.co.uk/itm/Snap-on-digital-pit-board-lap-clock-timer-very-rare-item-Snap-on-racing-/121669723558?
...failing that I'm happy for it to stay on until the end and will honour whatever the end price is.
www.ebay.co.uk/itm/Snap-on-digital-pit-board-lap-clock-timer-very-rare-item-Snap-on-racing-/121669723558?
...failing that I'm happy for it to stay on until the end and will honour whatever the end price is.