The product is a watch crystal specifically designed to fit the Gruen 275/678 model by the brand GS. It is made of clear acrylic/plastic material and has measurements of 11.4 x 10.7 mm. The crystal is manufactured in the United States and is compatible with the GS-CMY108 model. This watch crystal is a high-quality replacement part for repairing or restoring a vintage watch.
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