Overview This professional mechanical analog chess clock is designed for players of Chinese Chess, International Chess, and I-Go. Featuring a wind-up mechanism that requires no batteries, it ensures precise timing with a daily error of less than one second. Durable, portable, and easy to operate, it is the ideal timing solution for various board game matches.Product Details Crafted with a plastic casing and a copper-zinc alloy movement, this chess clock combines durability with lightweight portability. Its mechanical structure includes a simple start button for intuitive operation—just wind it up, set the hands, and begin your game. The clock eliminates the need for batteries, so gameplay is never interrupted. With dimensions of 15 x 5.5 x 9 cm, it is perfectly suited for competitive and casual play alike.Key Features 1. Professional Mechanical Design – A reliable analog chess clock built for accurate tournament and casual gameplay. 2. Multi-Game Compatibility – Suitable for timing Chinese Chess, International Chess, and I-Go matches. 3. Simple Operation – Mechanical structure with an easy-press timing start button for effortless control. 4. Battery-Free Convenience – Wind-up mechanism ensures uninterrupted play; daily timing error is within 1 second. 5. Durable & Portable – Lightweight plastic casing offers durability and easy transport for matches anywhere.Notice Actual colors may vary slightly from the images due to monitor and lighting differences. Please allow a 1–3 cm deviation in dimensions due to manual measurement.Specifications Material: Plastic case, copper-zinc alloy movement Product Size: 15 x 5.5 x 9 cm Includes: 1 x Mechanical Chess Clock