49pcs Water Proof Watch O Gasket Repai Tool Replacement Kit Watch Washers Set for Maintenance

Water Resistant: The plastic o watch gasket is installed in the back cover of the watch and covers the gaps between the strap and the movement. This plastic gasket kit plays a important role in the water proof function of the watch. Material: Made of abrasion resistant, flexible plastic material, the watch washer provides excellent water and oil resistant and sealing properties, and can withstand high temperature environments. Its O sealed design can be applied for line wi maintenance, preventing unwanted touching, effectively protecting the watch and facilitating fastening. Quantity: Includes 49 of back cover , each size has 1 piece, can meet your watch maintenance and repair work of various sizes needs, to its excellent sealing and protecting performance. Item Type: Watch Gasket Material: Plastic Water Proof Model: Approx. 16mm-40mm Celsius 0.63-1.57in