Riviera Automatic Watch, Chronograph 10799Robust and reliable, Riviera chronographs carry a tried and tested Swiss made automatic movement with a 48 hour power reserve and runs at 28,800 vph, or 4 Hertz. Each model features a double day date window at three oclock, a small second hand at 9 oclock and two sub dials for chronograph functions: a minute counter at 12 oclock and an hour counter at 6 oclock.