Citizen Eco-Drive Titanium BM6930-57E Mens WatchCitizen Eco Drive Titanium BM6930 57E Mens Watch A watch suited both for desk jobs and fairly heavy manual labor, this is for when you want to hit the office straight from the golf court or vice versa. The classical steel and black ensures it never loses its charm, so the question of going out of style never appears. It will last so long as you dont throw it in deep sea or bring it under truck wheels.