G-S Flexo CMY299-50 Cylinder Watch Crystal for Gruen

If you're working on a vintage Gruen watch, this G-S Flexo cylinder crystal is exactly what you need for a proper restoration. It's a genuine CMY299-50 model, measuring 22.4 by 19.6. It's still in its original paper packaging, so it's been kept safe and clean. These are known for their optical precision and quality, making them a reliable choice for bringing an old timepiece back to life. New old stock.