Energy Saving Power Saving (display goes blank to save power when the watch is left in the dark). Resistance Shock Resistant, Water Resistant. LED Double LED light LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow).
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