The Royal Gift Shop Decorative Agate Desk Clock with Gold Plated Rim (Brown) Genuine Polished Agate Clock with Golden Roman Numerals Handmade in Brazil with custom fitted wood base. Approx Size: 4.5" to 5.5" Conversation piece; perfect for any room in the house. Makes a great gift choice; unique and useful Color, Size and Pattern vary as each slice is unique. Requires one AA battery