Daily alarm, automatic calendar, and 12/24-hour time format: An acoustic alarm reminds you of your appointments at the scheduled time every day. After programming, the automatic calendar always displays the correct date. You can view the time in either a 12-hour or 24-hour format. Time function - 1/100 sec. - 1 hour: The elapsed time, intervals, and total time are calculated with an accuracy of 1/100 second over a maximum duration of one hour. Mineral glass and ionized steel case: The hard, scratch-resistant mineral glass protects the watch from unsightly damage. The watch case is ionized, which provides the advantage of increased scratch resistance. Milanese mesh strap: The Milanese mesh adds a very elegant touch to your watch. The watch strap has been carefully coated using a process known as "ionization coating," offering the benefit of enhanced scratch resistance. The clasp can be easily adjusted on the wrist for maximum comfort. Water resistance class (WR) according to ISO 22810: This model is water-resistant according to DIN 8310, ISO 22810, and therefore supports light splashes. Avoid intense contact with water. Illuminator: Pressing the button illuminates the dial with an electroluminescent lamp to make reading the time easier. Dimensions (H x W x D) 39.6 mm x 38 mm x 7.3 mm, weight approx. 82 g.