The product is a silver crystal ring for watches, specifically designed for Seiko watches. Made of mineral material sourced from Japan, the ring is compatible with the Seiko 6138 model. The Seiko King 45KS 4502 & Grand Seiko 4520 Crystal 300V07GNS Silver Ring NOS is a high-quality part for watch enthusiasts looking to replace or upgrade their Seiko watch crystals. Its sleek silver color and Japanese craftsmanship make it a desirable choice for those seeking precision and elegance in their timepieces.
