1. Leather with a large number of sweat contact and then dry easily after cracking, but also in the erosion of sweat to produce a stink. The method of maintenance is cleaning, ventilation and keeping dry. But after sweating the skin and leather with contact with the place very uncomfortable, so the best way is to put the leather pack in the summer.
2. The good cortex, the careful care, also can not block the leather aging. The old leather strap can make the quality of the watch much lower, beyond recognition. In general, if worn regularly, a leather strap should be replaced at least once in two years.