Crown/Battery Stopper Assortment
Watch Crown/Battery stoppers. White plastic. Assortment of 60 pieces includes ten each in sizes 0.50, 0.60, 0.70, 0.80, 1.00, and 1.20mm diameters. No Refills.
Extend the life of your quartz battery operated watch. Pulling out the crown and holding it in place with a stopper will extend the life of the battery. Watch dealers use stoppers on watches in display cases, in transport, and in storage to prevent battery drain when the watch is not in use.