Stop function-Elapsed time, split time and end time are measured with an accuracy of hundredths of a second. The measuring capacity of the watch lasts up to 1,000 hours. For those who want to know exactly: The countdown timer helps remind you of special or recurring events by emitting an audible signal at the set time. The time can be set in seconds and up to 24 hours in advance. Once set, the automatic calendar always shows the correct date. Daily recurring events are reminded by the daily alarm, which sounds an acoustic signal at the set time. This model has five independent alarms - particularly practical for taking medication every day or keeping regular appointments. Resin is made of synthetic resin and its extreme durability and flexibility make it the ideal material for bracelets. The hard, scratch-resistant mineral glass protects the watch from unsightly damage. The watch can withstand a lot without being damaged. The shock-resistant case offers protection in case of impact and shocks. Full-Auto LED LightAll it takes to activate the watch's backlight is a slight twist of the wrist. This works as soon as the brightness in the environment decreases.