The Mantle Clock by SHANNON CRYSTAL is a vintage desk clock made of 24% lead crystal, standing at 4" tall and 6" long. It features Roman numerals on a clear analog display, powered by quartz for accurate timekeeping. Crafted by Shannon Crystal Designs of Ireland, this handcrafted piece is perfect for any room and adds a touch of elegance to any decor. The clock does not come with a manufacturer warranty but carries a backstamp as proof of authenticity.