When a Fine Mist Is Harmless – and Why Water Droplets Require Immediate Action. You take off your watch after a walk on a cold winter’s day or return from the swimming pool, and suddenly notice a fine mist on the inside of the crystal. In many cases, it disappears on its own after a short time. In other situations, however, visible water droplets or even small beads of water form beneath the crystal or on the dial. At that point, immediate action is essential. Although both s