Yellow Deals via Amazon offers this 16-Piece Deluxe Watch Repair Kit, model no. WRK001, for $5.59 with free shipping.
That's a slight drop from our December mention and the lowest total price we could find, outside of the mention below, by $12. It includes a watchband link pin remover, watchband holder, spring bar remover, metal and plastic hammer, case knife, and more.
A close price: Jomashop via eBay charges $5.99 with free shipping.