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Watch Gaskets Waterproof Flat Black Gasket Assortment Gaskets #101-130 (90 Pieces)

Rubber gasket assortment
Your Price: $64.50
Item Number: 84.306

This flat watch case back seal assortment is a great gasket kit for watchmakers and others who work on watch case backs. These round gaskets are made of solid tube rubber to create an airtight seal and are flexible enough to fit not only round watch case backs but, square, rectangle and other fancy shaped case backs. These gaskets come in several thickness and 30 different sizes.

  • Assortment contains 30 different flat sizes
  • In .45 mm thickness there is 1 diameter size: 17.8 mm
  • In .50 mm thickness there are 7 diameter sizes: 17, 18.5, 19.5, 25.5, 26.5, 28.5, and 29 mm
  • In .55 mm thickness there is 1 diameter size: 19.2 mm
  • In .625 mm thickness there are 2 diameter sizes: 20, and 28 mm
  • In .75 mm thickness there are 10 diameter sizes: 21, 22.25, 24, 26, 27, 27.25, 28, 29, 29.50, and 30 mm
  • In .95 mm thickness there is 1 diameter size: 28.5 mm
  • In 1 mm thickness there are 8 diameter sizes: 15, 23, 23.5, 24, 26.5, 28.75, 30, and 31.5 mm
  • **Note** Diameter measured is the interior diameter of the gasket
  • Contains 3 of each size
  • Can easily be reordered by size in the following format: thickness-mm diameter (50-1500)
  • Refills are available in packages of 3
  • Kit has a total of 90 pieces
  • Flat gaskets fit a variety of watch case backs from round to square
  • Maintain airtight seal
  • Flat black gaskets
  • Made of rubber


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