Collectibles Buy Table Decorative Marine Desk Clock Brass Finish Handmade Authentic Functional Clock Size measures - Height 4 " inches , Diameter 3 " inches , Compass diameter : 2.25 inches ( Magnetic Functional ) Material used : Brass & Glass - Japanese movement Battery operated ( unscrew back side glass to change the battery ) Finish : Shiny brass, Vintage marking dial & functional compass on base Machine : Japanese made small machine (Authentic), Batteries included Exclusively listed & sold by Collectibles Buy - Handcrafted