Features: 1. Professional Mechanical Analog Design: A classic, reliable chess clock built for serious gameplay. 2. Versatile Game Compatibility: Perfect for timing Chinese Chess, International Chess, and Go (I-GO) matches. 3. Simple Mechanical Operation: Features an easy-to-use mechanical structure with a clear start/pause button—no complicated settings. 4. No Batteries Required: Powered by a wind-up mechanism, so you never have to stop a game to change batteries. Offers precise timing with a daily error of less than 1 second. 5. Universal Game Timer: Ideal for all types of board game competitions and casual play. 6. User-Friendly & Portable: Just wind it up, set the hands, and start your game. The durable plastic casing is lightweight and easy to carry. Product Details: This mechanical chess clock delivers accurate, battery-free timing for chess, Go, and more. Its sturdy build and simple wind-up operation make it a dependable choice for tournaments or home use. The compact, portable design ensures you can take it anywhere. Specifications: - Material: Plastic case, copper-zinc alloy movement - Product Size: 15 x 5.5 x 9 cm - Includes: 1 x Mechanical Chess Clock Notice: Actual color may vary slightly from the images due to monitor and lighting differences. Please allow a 1-3 cm deviation in size due to manual measurement.