Retro Analog Chess Clock Timer - Wind-Up Mechanical Chess Clock With Large Easy-To-Read Dials, No Battery Needed (Red)You Cant Have An Official Chess Tournament Without A Clock To Time Each Players Moves And Ensure Fairness Throughout The Game The Better Line Professional Analog Chess Clock Timer Is Uniquely Designed To Serve As A Reliable, Accurate And Convenient Time Keeping Solution And Is A Must Have For Any Serious Chess Player The Better Line Professional Analog Chess Clock Timer Is Completely Analog, Meaning That Its Movement System Doesnt Require A Battery As