The product is an original Seiko 6309 casing ring part in silver color, specifically designed for Seiko watches. Made of high-quality Seiko material, this NOS (New Old Stock) crystal part is compatible with Seiko models, ensuring a perfect fit and authentic look for your timepiece. This genuine Seiko accessory is essential for maintaining the integrity and functionality of your Seiko watch, making it a reliable choice for any watch enthusiast or collector.