Published by on August 16, 2026 The product being described is a collection of mainsprings for wristwatches, specifically new old stock. Mainsprings are essential components of wristwatches, providing the power needed to keep the watch running smoothly. This item is of interest to collectors or watch enthusiasts looking to refurbish or repair their wristwatches, as it offers a supply of mainsprings that may be hard to come by.boxfull what would you havt to.pay for 1,,,sold as is ,,