10. Japan lithium battery +solar power
9. 3 ATM water proof 100% tested
8.100-year calendar
7. 12/24 hr mode selection
6. stop watch
5.daily alarm/hourly chime
4.EL backlight
3.scrolling display: time, date, day of week.
2.solar dual power ( auto-change solar / battery power )
1.square case with steel bezel
1. Square case with steel bezel
2. Solar dual power (auto-change solar / battery power)