I see a good wristwatch as part of a man’s style. Watches have different characters and functions. A simple, slim-cased dress watch is be best worn with evening wear, a chunky diving watch with a t-shirt and jeans. Many men now own several watches for formal, work, holiday, sport or manual work. This occasional series will show how watches can be styled according to function. I’ll give an outline of each watch and show how I might wear it. I…