Description: Premium Material and Components: Made from brass, pp, acrylic and metal materials, 98mm brass casing, ligthweight but sturdy, ensures durability and reliability, ideal for marine or coastal environments Compact Size: With a diameter of 3.85 inch (98mm) and a thickness of 1.3 inch (33mm), this nautical boat clock is perfectly sized for tight space on a boat Quiet & Reliable Movement: Designed with silent sweep mechanism, the clock's hands move smoothly and quietly. Enjoy a peaceful atmosphere in your boat cabin Versatile Mounting: High and Low Tides weather station brass tide clock is more than just functional; it's a piece of elegant decor, it mounts easily on any wall or bulkhead Wide Application: This portable wall clock is suitable for indoor and outdoor use, widely used for greenhouses, warehouses, gardens, patios Specification: Material: Brass Outer Shell, PP, Acrylic, Metal Size Chart: Diameter: 9.8cm/3.86inch Thickness: 3.3cm/1.30inch Package Includes: 1 Tide Clock Note: Please allow slight dimension difference due to different manual measurement.