OSI Vintage Glass Pendant Watch Crystal 9-2/16 (~20.6mm) - NOS

OSI Vintage Glass Pendant Watch Crystal size 9-2/16 (~20.6mm), measures about .525mm thick (not .55 like the envelope says) and have a medium lunette profile, new old stock. These come from bundles of bulk stock crystals made in Japan and sold to back-fill large glass crystal cabinets.  While still likely well over 100 years old, in my 40 years of experience with them I've not found the older crystals to be any more or less brittle than anything you could find today. That said, they are quite likely dirty and need serious cleaning. I likely have several of these so the one you get may differ slightly from the images. Glass crystals take great care in installation so I'll package them so they arrive as described, but you're responsible for proper installation. I have a supply of crystals that numbers in the hundreds of thousands so I can supply just about any size Watch Crystal you need (glass or acrylic) so feel free to inquire. Images do a suitable job of representing the item.