HIGHLIGHTS MMT-283-1 CALIBER BLACK DIAL WITH MAT FINISHING WITH APPLIED SILVER INDEXES WITH WHITE LUMINOUS AND DIGITAL SCREEN ORANGE COLORED POLISHED HANDS WITH WHITE LUMINOUS TREATMENT COMPATIBLE WITH ALPINERX HEART RATE MONITORING BELT MOVEMENT FEATURES CALIBER: MMT-283-1, HOROLOGICAL SMARTWATCH BATTERY LIFE: 2+ YEARS FUNCTIONS: HOURS, MINUTES, SECONDS, DATE, ACTIVITY TRACKING, SLEEP TRACKING, DYNAMIC COACH, WORLDTIMER, SMART ALARM, CALLS AND MESSAGES NOTIFICATIONS, UV INDICATOR, ALTITUDE, COMPASS, TEMPERATURE, TIME RECORDER, BAROMETER