Which feature of a dive compass allows for readability in low light?

A readable bezel is an important feature of a dive compass that enhances readability in low light conditions. This feature is typically designed with luminescent markings or bright colors that improve visibility even when there is limited ambient light underwater. The bezel encircles the compass card and often displays direction indicators, which are easier to see and interpret in dark or murky environments, making navigation during dives more effective.

In contrast, while dampened response helps the compass stabilize more quickly, it does not directly improve readability in low light. Degree numbers are essential for providing directional readings, but if they are not luminescent or brightly colored, they can be hard to see in dim conditions. Lubber lines, which help align the compass with the desired heading, are structural components that do not enhance visibility on their own in lower light situations. Thus, the readable bezel stands out as the crucial feature for optimal visibility and usability during dives in low-light environments.