Kironypik 200pcs/set 16-34mm Waterproof Silicone O-Ring Watch Back Cover Seal Gaskets Watch Repair Parts black 0.6mm

Description: There are 10 different sizes each small package about 20pcs 200pcs in total. Each specification is packed in a separate bag which is easy to distinguish and find the specification you need. Function: enhance the waterproof performance of the watch and extend the service life of the watch. Suitable for watch maintenance and DIY watch as you like. Install on the watch back case cover the gap between the and movement. Specification: Material: silicone. Color: black. Size: 16mm 18mm 20mm 22mm 24mm 26mm 28mm 30mm 32mm 34mm. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: 200* Watch Back Cover Seal Gaskets.