THE BALANCE RUNS FREELY AS SHOWN IN VIDEO. I DON’T KNOW HOW CHRONOGRAPH FUNCTION START/RESTART/RETURN TO ZERO. The dial diameter is 44 mms. The movement diameter is 39.3. Unless noted otherwise, our items are pre-owned and will have visual and physical cues typical of an item that has been used and handled. We work hard to identify all issues that we believe you would look for if you saw the item in person. Please be noticed that accuracy and water resistance are not guaranteed. Show the item you will receive. (DEPENDING ON CUSTOM DELAYS IT COULD TAKE BETWEEN 5 BUSSINESS DAY OR EVEN MORE DEPENDING ON THE DISTANCE TO EVERY COUNTRY).