G-S MT150 Watch Crystal for Gruen Veri-Thin

This is a vintage G-S MT150 watch crystal, specifically made for Gruen Veri-Thin models. It's a square glass piece measuring 11.4mm by 11.4mm. Still in its original paper envelope, so it's in great shape for a restoration project. Perfect if you're looking to replace a cracked or scratched crystal on an old Gruen. New old stock.