CITIZEN PROMASTER AQUALAND II JP1010-00ECaliber No. C500 Water Resistant 200m Battery Life About 2 years Accuracy Watch) ±20sec/month Accuracy Depth Sensor) ±(display value x 0.03 + 0.3M) Features for daily use: Alarm & 24H chronographFor diving: Log memo(4 dives)Depth alarmDive time alarmDepth meter (1.0~80M)Maximum depth indicatorDive time(up to 100 minutes)Water-temperature indicator (-5șC~+40șC)Rapid ascent warningLow battery warning functionOne-way rotating elapsed time bezelScrew-down locking crownDay & time One year International warranty