These round flat 100% sapphire crystals are 1.5 mm thick and are nearly unbreakable making them highly prized by watchmakers. These crystals can be glued into most watch cases or pressure fit into most plastic watch crystal gaskets.
Siwss Mineral Glass Watch crystals Double-Domed (Height 2.5mm x Thick1mm)
There are NO EXCEPTIONS!
Rubber Watch Case Back O Ring Round Gasket (0.8mm thick)
These round gaskets are made of solid tube rubber to create an airtight seal that prevents water from entering the watch case. They are flexible enough to fit not only round watch case backs but, square, rectangle and other fancy shaped case backs.
4 pcs Stainless Steel Watch Strap Band Link Cotter Pins (0.8mm)
Stainless Steel open end cotter pins for attaching links to watch bands. Pins open when pushed into the link holes and hold links together. The thickness of the pins are 0.80mm, you get 4pc pins in the set.