Thanks for the tip! But everything is much simpler: Because of their poverty, I can not afford a decent watch. But the moral is getting ready for this. Therefore, on the left sleeve, I always unbutton. I train in advance. As soon as the victory of their poverty - buy watches, and the experience of undoing the buttons on her sleeve - will have. It is convenient to wear watches. Oh, this is my poverty ... All this - a little joke, but a bit true.