Leather Strap vs. Metal Bracelet: Which Is Better?

Neither is better per se but as a general rule, if you plan on exposing your watch to water or doing a lot of exercise with it, it's best to avoid leather straps. Metal bracelets are more durable. You might also consider a rubber-strapped watch. If you change your mind down the road, it's easy and relatively inexpensive to  purchase a new watch band.