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Watch Gasket Waterproof Thick O-Ring Assortment (150 Pieces)

Watch o-ring assortment
Your Price: $34.95
Item Number: 84.309

This o-ring 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. The thicknesses range from .80 mm to 1.00 mm and the inside diameters range from 20 mm to 35.3 mm.

  • Assortment contains 50 different o-ring sizes in 4 different thicknesses
  • **Note** Diameter measured is the interior diameter of the gasket
  • In .80 mm thickness there are 18 different sizes
  • In .90 mm thickness there are 20 different sizes
  • In 1.00 mm thickness there are 12 different sizes
  • Contains 3 of each size
  • Can easily be reordered by size in the following format: thickness-mm diameter (80-2030)
  • Refills are available in packages of 3
  • Kit has a total of 150 pieces
  • O-rings fit a variety of watch case backs from round to square
  • Maintain airtight seal
  • Thick size o-rings
  • Made of rubber

 

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