Crono-mille-miglia. This app is the only stopwatch for classic and sport oldtimer uniformity rally. This App is one of the most complete tools on the market. In a single app, the 7 most applications for oldtimer rally are included: 1. Synchronized clock. 2. A stopwatch with a split-precision of 1/100 second. 3. Countdown with a Split-precision of 1/100 second.