Professional Chess Clock Multifunctional Digital Watch Accurate Count Up Count Down Timer Board black

Professional Chess Clock Multifunctional Digital Watch Accurate Count Up Count Down Timer Board black.An nice accessory for limited time events, the multifunctional chess clock helps you accurately time. Meet your game timing needs in all aspects. Features: Timing rules includes BASIC, BOUNS, DELAY, BYO-YOMI and COUNT-UP, it automatically switches to the counting-up mode after countdown. User-defined time can be set up to 9:59:59, different timing parameters can be set for both sides, and the t