The Wind-Up Analog Chess Clock by CHESS is a dual mechanical timer designed for chess enthusiasts aged 17 years and up. Made from wood with a sleek black color, this chess clock timer is portable and tournament-ready. With a battery-free design, it features a wind-up mechanism for accurate timekeeping during chess matches. Made in China, this chess clock timer is a must-have accessory for any serious chess player looking for a reliable and efficient timekeeping tool.