Borel P 447 - 50½ Lentille - Chevee Pocket Watch Crystal - New

J. Borel P 447 - 50½ Lentille (which means lens) Chevee (which, in this context, means slight depression) Pocket Wrist Watch Crystal, 44.7mm diameter, new in envelope.  These are clear NOS crystals and haven't been stored for 75+ years like other ones on eBay often are. Can supply just about any size Watch Crystal you need (acrylic or glass) so feel free to inquire. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.