Watch Gaskets Plastic Hytrel "I" Gaskets For 1.5 mm Glass Crystals 49 Pieces
$79.95
This Hytrel I-Ring watch crystal gasket assortment is a great gasket kit for watchmakers and others who work on watches and replace watch crystals. These round gaskets are made of nylon-plastic to create an airtight seal that prevents water from entering the watch case and to hold the crystal gently and firmly. The nylon gasket will compress and use friction to hold the crystal in place. As this assortment includes gaskets of various sizes, you should definitely be able to find a correct match for the gasket you need to replace.
**Refill numbers are internal diameter size**
- Popular nylon-plastic Hytrel I-ring gaskets
- Thickness of the side wall is .40mm
- Height of the gasket is 1.25mm
- To be used with a 1.5mm thick crystal
- Refills are sold individually
- Refills are available in internal sizes 16mm to 40mm
- Maintain airtight seal
- Swiss quality
Gasket sizes included are listed below:
| Internal | External | Internal | External |
| 16 | 16.8 | 28 | 28.8 |
| 16.5 | 17.3 | 28.5 | 29.3 |
| 17 | 17.8 | 29 | 29.8 |
| 17.5 | 18.3 | 29.5 | 30.3 |
| 18 | 18.8 | 30 | 30.8 |
| 18.5 | 19.3 | 30.5 | 31.3 |
| 19 | 19.8 | 31 | 31.8 |
| 19.5 | 20.3 | 31.5 | 32.3 |
| 20 | 20.8 | 32 | 32.8 |
| 20.5 | 21.3 | 32.5 | 33.3 |
| 21 | 21.8 | 33 | 33.8 |
| 21.5 | 22.3 | 33.5 | 34.3 |
| 22 | 22.8 | 34 | 34.8 |
| 22.5 | 23.3 | 34.5 | 35.3 |
| 23 | 23.8 | 35 | 35.8 |
| 23.5 | 24.3 | 35.5 | 36.3 |
| 24 | 24.8 | 36 | 36.8 |
| 24.5 | 25.3 | 36.5 | 37.3 |
| 25 | 25.8 | 37 | 37.8 |
| 25.5 | 26.3 | 37.5 | 38.3 |
| 26 | 26.8 | 38 | 38.8 |
| 26.5 | 27.3 | 38.5 | 39.3 |
| 27 | 27.8 | 39 | 39.8 |
| 27.5 | 28.3 | 39.5 | 40.3 |
| 40 | 40.8 |
