We may receive a commission on purchases made from links. The engine bay under the hood is one of the dirtiest parts of a daily-driven car. But it's also one of the most neglected places to clean.

If you’ve arrived here after Googling “how to clean a watch,” congratulations: That means you actually wear that beautiful timepiece of yours, rather than merely leaving it tucked away in the safe.

If you’re reading this, it’s probably past time to clean your watch. Timepieces get a front-row seat to our lives and are exposed to lotions, sweat, perfumes, colognes and everything else we encounter ...