Case / bezel material: Resin Resin Band Neobrite Shock Resistant Mineral Glass 100-meter water resistance LED light Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow Dual time 1/100-second stopwatch Measuring capacity: 00'00"00~59'59"99 (for the first 60 minutes) 1:00'00~99:59'59 (after 60 minutes) Measuring unit: lap time (1/100 second (for the first 60 minutes), 1 second (after 60 minutes))