Watch Gaskets Thin O-Ring Gasket Assortment 90 Pieces
$23.50
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 .35 mm to .60 mm and the inside diameters range from 8 mm to 34 mm.
Note: Diameter measured is the interior diameter of the gasket
- Assortment contains 30 different o-ring sizes in 4 different thicknesses
- In .35 mm thickness there are 5 different sizes: 18, 20, 21 and 24mm
- In .40 mm thickness there are 13 different sizes: 11, 12.5, 14, 15, 16, 17, 18, 19, 23, 27, 28, 29, and 30 mm
- In .50 mm thickness there are 10 different sizes: 8, 16.5, 22, 24, 25, 26, 27, 31, 32, and 33 mm
- In .60 mm thickness there are 2 different sizes: 10.6, 25mm and 34 mm
- Contains 3 of each size
- Can easily be reordered by size in the following format: thickness-mm diameter (35-1800)
- Refills are available in packages of 3
- Kit has a total of 90 pieces
- O-rings fit a variety of watch case backs from round to square
- Maintain airtight seal
- Thin size o-rings
- Made of rubber
