Key visible features: ALARM CHRONO: Daily alarm + stopwatch (chronograph/stopwatch). WR (in red) and WATER RESIST: Water resistant for daily use (splashes/light rain, not for swimming). LIGHT / LAP•RESET: Backlight (LED/Microlight) + lap/reset function in stopwatch mode. Lithium: Lithium battery (usually CR2016) lasts about 7 years. Displays time (here 24-hour), day (TU = Tuesday), date, and seconds. Movement Type: Digital