Hottptyer 500pcs watch Crown O ring rubber head Gasket Keeps watches water resistant seals repair workers flexible material design

[WATER RESISTANT SEALING] Rubber O ring watch gaskets help keep a watch water resistant by forming a sealing point around the crown. The compact ring design supports watch crown repair tasks and helps replace worn seals during maintenance. [500 PIECE SUPPLY] Includes 500 watch head rings for repeated repair and maintenance work. The quantity supports watchmakers and watch repairing workers who need replacement crown seals available for various watches. [FLEXIBLE RUBBER] Made of rubber material that is flexible and wear resistant for regular handling during watch repair. Each crown O ring can fit into the crown sealing area and serve as a practical watch repair accessory. [REPAIR ACCESSORY] Designed as a watch crown O ring accessory for watch repairing. It helps workers refresh the sealing component around a watch head while servicing crowns and other watch parts. [VARIOUS WATCHES] Suitable for various watches and useful in repair benches workshops and maintenance settings. The rings feature workmanship suited to watchmakers who need small seals for crown service.