Solar Power A solar cell provides power for operation. Neo-display A luminous coating provides long-term illumination in the dark after only a short exposure to light. Date display The current date is shown on the display Stopwatch function - 1/1 sec. - 30 minutes Elapsed times are measured with split-second accuracy. The watch can measure times of up to 30 minutes. Mineral glass The tough mineral glass resists scratching. Solid stainless steel case The solid stainless steel watch case provides a valued and robust quality.