SUC C100 Watch Crystal for Gruen C115D 10.8

This is a vintage SUC watch crystal, still in its original paper envelope. It's a C100 model specifically designed for Gruen C115D 10.8 movements. These old-school crystals are great for restoration projects if you're looking to keep a vintage timepiece authentic. It's been tucked away and remains in its original packaging, made right here in the U.S.A. New old stock.