Daily alarm, automatic calendar & 12/24-hour time format: An acoustic alarm reminds you daily of your appointments at the scheduled time. After programming, the automatic calendar always displays the correct date. You can view the time in either 12-hour or 24-hour format. Time function - 1/100 sec. - 1 hour: The elapsed time, split times, and total time are calculated with an accuracy of 1/100 second over a maximum duration of one hour. Mineral glass & ionized steel case: The hard, scratch-resistant mineral glass protects the watch from unsightly damage. The watch case is ionized, providing the advantage of increased scratch resistance. Milanese mesh strap: The Milanese mesh gives your watch a very elegant touch. The watch strap has been carefully coated using a process known as "ionization coating," which offers 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: By pressing the button, an electroluminescent lamp illuminates the dial to make reading the time easier. Dimensions (H x W x D) 39.6 mm x 38 mm x 7.3 mm, weight approximately 82 g.