DGT3000: "I believe the best game clock for the money is the DGT3000," suggests Dave Baran. "I am aware of three clocks that currently available that have both Japanese and Canadian byo-yomi: the DGT3000, the Cronos, and the Duel Timer." Dave notes that the Excalibur is an affordable option that might be available on EBay, but has been discontinued from production. Dave adds that, "the byo-yomi time control on the Zmartfun II chess clock is inadequate."
Amazon.com: "You can get just about anything from Amazon.com," points out Ralph Meyer, suggesting searching for "Chess Clocks". - Edited by Brian Kirby