180pcs Black Color Rubber Sealing Watch Back Cover Watch Rubber Seal Washers Watch Maintenance

Label:Yes 4.Package Include: With 180 pieces in the package to meet your various needs. Sealing rings come in two diameter sizes. 0.5mm available sizes: 16mm, 18mm, 20mm, 21mm, 23mm, 24mm, 26mm, 27mm, 30mm, 0.6mm available sizes: 16mm, 17mm, 20mm, 22mm, 23mm, 24mm, 25mm, 26mm, 28mm. 3.Ideal Matching: O ring is excellent alternative for watch back cover sealing gaskets. Flexible and ideally matching with your watch, which is ideal for watch repair. 5.Sealing: Installed on the back case of the watch, the rubber gasket set covers the space between the strap and the movement. 2.Durability: Made of rubber material, flexible and long lasting. 18 types with 10 pieces each, totaling 180 pieces. Sealed O rings for wiring maintenance, and protecting the watch for easy installation. 1.Application: Watch O ring suitable for watchmakers and watch repairmen. Ideal for watch repair and DIY watchmakers. Easy to fasten, good oil and water resistance, excellent sealing.

Item Type: Watch Back Cover Sealing Ring Material: Rubber Quantity: 180pcs, 18 types with 10 pieces each Size: Approx. 0.5x16mm / 0.02x0.63in Size: Approx. 0.5x18mm / 0.02x0.71in Size: Approx. 0.5x20mm / 0.02x0.79in Size: Approx. 0.5x21mm / 0.02x0.83in Size: Approx. 0.5x23mm / 0.02x0.91in Size: Approx. 0.5x24mm / 0.02x0.94in Size: Approx. 0.5x26mm / 0.02x1.02in Size: Approx. 0.5x27mm / 0.02x1.06in Size: Approx. 0.5x30mm / 0.02x1.18in Size: Approx. 0.6x16mm / 0.02x0.63in Size: Approx. 0.6x17mm / 0.02x0.67in Size: Approx. 0.6x20mm / 0.02x0.79in Size: Approx. 0.6x22mm / 0.02x0.87in Size: Approx. 0.6x23mm / 0.02x0.91in Size: Approx. 0.6x24mm / 0.02x0.94in Size: Approx. 0.6x25mm / 0.02x0.98in Size: Approx. 0.6x26mm / 0.02x1.02in Size: Approx. 0.6x28mm / 0.02x1.10in

Package List: 180 x Rubber O Rings 1 x Plastic Box

Note: 1. Please allow 1-5mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.