Hamilton Khaki ETO Chronograph H77612933 Men's WatchETO stands for Estimated Time Over. You can calculate travelling speed, estimated time and distance using its slide rule bezel, while the split second chronograph helps you measure current speed and elapsed time. The Hamilton ETO Chronograph watch catches attention primarily due to its sporty and masculine design. Durable, elegant and precise in its functions, the full stainless steel construction houses a Swiss quartz chronograph movement. Suited for any wrist-size and for any occasion, its quick-set hour function lets you change time-zones in a zap without changing the minutes.