98 * 0.8mm Automatic Quartz Movement Waterproof O Ring for Watchmaker Repairing Watch Movemen, for 1.0mm Crystal Glass Watch Repairman Service

Made of high-quality materials, durable in use.A good replacement part for the old or damaged one.Thickness: 0.8mm, suitable for 1.0mm thick watch crystal glass98 pieces Waterproof O-ring packed in a sturdy and convenient plastic box. 49 sizes, 2 pieces for each size, 98 pieces in totalCan be used as spare parts to facilitate the replacement of your watch accessories.SpecificationsMaterial: High quality rubberThickness: 0.8mmUse on: 1.0mm thick watch crystal glassQuantity: 49 sizes, 2 pieces for each size, 98 pieces in totalDiameter(O.D. X I. D) unit: mm16.7 x 16.0 21.7 x 21.0 26.7 x 26.0 31.7 x 31.0 36.7 x 36.017.2 x 16.5 22.2 x 21.5 27.2 x 26.5 32.2 x 31.5 37.2 x 36.517.7 x 17.0 22.7 x 22.0 27.7 x 27.0 32.7 x 32.0 37.7 x 37.018.2 x 17.5 23.2 x 22.5 28.2 x 27.5 33.2 x 32.5 38.2 x 37.518.7 x 18.0 23.7 x 23.0 28.7 x 28.0 33.7 x 33.0 38.7 x 38.019.2 x 18.5 24.2 x 23.5 29.2 x 28.5 34.2 x 33.5 39.2 x 38.519.7 x 19.0 24.7 x 24.0 29.7 x 29.0 34.7 x 34.0 39.7 x 39.020.2 x 19.5 25.2 x 24.5 30.2 x 29.5 35.2 x 34.5 40.2 x 39.520.7 x 20.0 25.7 x 25.0 30.7 x 30.0 35.7 x 35.0 40.7 x 40.021.2 x 20.5 26.2 x 25.5 31.2 x 30.5 36.2 x 35.5Package includes:1 Set Waterproof O-ring

• Made of high-quality materials, durable in use.
• A good replacement part for the old or damaged one.
• Thickness: 0.8mm, suitable for 1.0mm thick watch crystal glass
• 98 pieces Waterproof O-ring packed in a sturdy and convenient plastic box. 49 sizes, 2 pieces for each size, 98 pieces in total
• Can be used as spare parts to facilitate the replacement of your watch accessories.