Casio F-91W-1YER

Stop function - 1/100 sec. - 1 hourElapsed time, split time and end time are measured with an accuracy of hundredths of a second.. The measuring capacity of the watch reaches up to one hour.. daily alarm. The daily alarm reminds you of daily recurring events, with an acoustic signal sounding at the set time.. Automatic calendar. Once set, the automatic calendar always shows the correct date.. 12-/24-hour formatThe time display can be set to either 12-hour or 24-hour format.. In 12-hour mode, there is a "p" in the display for the second half of the day, i. e. 12 noon until 11.59 pm.. Resin Wristband. Resin is made of synthetic resin and is the ideal material for bracelets due to its extreme durability and flexibility.. 7 years - 1 battery. The battery supplies the watch with the necessary energy for about 7 years.. Water resistance classification (WR) according to ISO 22810This model is waterproof according to DIN 8310 and ISO 22810, so it can withstand light splashes.. Greater contact with water should be avoided.