Casio DW-291H-9AV Quartz 200M Men's Watch With an impact resistance much higher than any other watch in its price range, it is a rugged watch marked HD or Heavy Duty and it certainly lives up to its claims. It has a 10-year battery life, so it is well-understood that it’s not going to part ways in the middle of nowhere and leave you high and dry for the rest of your adventure.