G-S MX302 Watch Crystal for Gruen Lady Curvex

This is a vintage G-S Flexo crystal, specifically the MX302 model designed for Gruen Lady Curvex and Cosmopolitan watches. It's still in its original paper envelope, which measures 15.9 x 8.9. These are great for restoration projects if you're trying to keep a vintage timepiece authentic. New old stock. It's a specific fit, so make sure your case dimensions match up.