LED light. A light-emitting diode (LED) is used to illuminate the watch face. Second time zone. A second local time can be set and retrieved, ideal for frequent overseas calls. Stopwatch function - 1/100 sec. - 24 hours. Elapsed time, split time, and final time are measured with 1/100-second accuracy. The watch can measure times of up to 24 hours. Daily alarm. The daily alarm reminds you of recurring events by emitting an acoustic signal at the set time. Automatic calendar with date, day, and month. Once set, the automatic calendar always displays the correct date. 12/24-hour time format. Times can be displayed in either 12-hour or 24-hour format. Spherical glass. The surface of the watch glass is curved, providing a high level of stability and pressure resistance. Acrylic glass. Case made of synthetic resin. Synthetic resin strap. Synthetic resin is the ideal material for straps as it is extremely durable and flexible. Buckle. Long battery life. 10 years, 1 battery. Newly developed electronics ensure significantly lower energy consumption. Water resistance class (5 bar). This watch can be worn while showering and bathing - it is tested for water resistance up to 5 bar according to ISO 22810. Dimensions (H x W x D): 38.1 mm x 34.6 mm x 11.3 mm. Weight: approx. 20.0 g.