Waterproof Watch Crown O-Ring Seal - Replacement Rubber Gasket for Watch Repair Tools & Kits - Perfect for DIY Watch Maintenance and Water Resistance Restoration

Feature:1. Rubber O‑ring watch gaskets are used to keep watches waterproof, prevent water getting into watch.2. Made of rubber, flexible and wear‑resistant and durable, high elasticity and reliable in use, will not damage your watch3. Comes in 10 different sizes to fit different crowns, suitable for watch makers and watch repairing workers to use.4. Take out the lever, put it into the waterproof ring and install the lever, easy and convenient for installation.5. Professional watch repair accessories, give you a satisfactory experience and has exquisite workmanship.How to Use:Take out the lever, put it into the waterproof ring and install the lever.Specification:Item Type: Watch Crown O-RingMaterial: RubberColor: BlackApplicable Crowd: Suitable for watch maintenance professionalsApplication Scenario: Used to keep the watch level waterproof, prevent water getting into watchSize: Approx.1.4 x 0.6 x 0.4mm / 0.06 x 0.02 x 0.02in1.5 x 0.6 x 0.45mm / 0.06 x 0.02 x 0.02in1.6 x 0.6 x 0.7mm / 0.06 x 0.02 x 0.03in1.7 x 0.7 x 0.5mm / 0.067 x 0.028 x 0.02in1.8 x 0.8 x 0.5mm / 0.07 x 0.031 x 0.02in3 x 1.7 x 1.65mm / 0.12 x 0.067 x 0.06in2.8 x 1.8 x 0.5mm / 0.11 x 0.07 x 0.02in2.4 x 1.4 x 0.5mm / 0.09 x 0.06 x 0.02in2 x 1 x 0.5mm / 0.08 x 0.04 x 0.02in1.9 x 0.8 x 0.55mm / 0.07 x 0.03 x 0.02inPackage List:1 x Storage Box 1 x Box of Watch Crown O‑Ring