This G-Shock By Casio Men's Analog-Digital GA800MMC-1A Watch Black by Casio features 1/100-second stopwatch:Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes),Memory capacity: Up to 120 records (used by lap time records),Recorded data: Up to 120 records (lap numbers, lap time, measurement start month, day, time, date). Direct timing start from the timekeeping mode. 12/24-hour format.