The BHB Mechanical Chess Clock is the finest mechanical Bakelite case chess clock, a classic analog device used to time moves in chess and other two-player board games.\ It has been handcrafted by the renowned craftsmen of BHB and is the gold standard in mechanical clocks because of its fine German engineering, sturdy construction, and simple classic appeal. It features two independent clocks, one for each player, ensuring that only one clock runs at a time. A button on top of each clock stops the current player's time and starts the opponent's. The clock helps regulate the pace of the game, preventing players from taking too long on their moves and ensuring the game finishes within a set time limit.  Local pick-up in San Bernardino, CA.  Shipping extra.  No returns or refunds.