Diatomaceous earth which is a type of algae deposits in the bottom of the sea, became a rock after many years. This watch is made using diatomaceous earth and uses Japanese traditional technique, Leaguken technique. The three-dimensional shape gradually changes shadows in natural light, allowing you to feel the passage of time. Designed to maximize the characteristics and feel of the material, it is also perfect for decorating your Japanese or modern spaces with wood or plaster. (The SiO2 of the watch logo is a symbol of silicon dioxide, the main ingredient of diatomaceous earth. ) Size: Diameter 10.0 x 1.4 inches (25.6 x 3.6 Weight: 1.7 lbs (0.795 kg) Material: Diatomaceous Earth Country of Manufacture: Japan Accessories: Wood screws for wall mounting, 1 AA battery Movement: Step Movement Color Safety Pink Shape Round Theme Plain Room Type Living Room Brand Name Lemnos Clock Form Mantel Dial Color Beige Style Name Step Movement Alarm Clock No Item Weight 2.36 Pounds Display Type Analog Manufacturer Lemnos (レムノス) Model Number LC11-08 PK Power Source Battery Powered Material Type Diatomaceous Earth Mounting Type Wall Mount Frame Material Wood Item Type Name Watch Operation Mode Electrical Watch Movement Quartz Number of Items 1 Additional Features No Number of Batteries 1 AA batteries required. Indoor Outdoor Usage Indoor Item Dimensions W x H 1.4 W x 10 H Batteries are Included No Manufacturer Part Number LC11-08 PK