Hamilton Khaki Field Black Dial Mechanical H69439531 Men's WatchHamilton Khaki Field Black Dial Mechanical H69439531 Men's Watch This is a simple watch meant for GrabnGo situations. The lack of a day date window and a big crown makes it evident that this is for the times when you need to get into a tough job immediately; not something you will wear round the clock on expeditions. The large crown ensures you dont have to struggle while winding it, especially if you are wearing gloves or finger protection gear.