Features: 1) RCC clock 2) Calendar 3) Weekday 4) Chronograph with 1/100 second start/stop 5)LED backlight 6) time alarm Features:1) RCC clock 2) Calendar 3) Weekday 4) Chronograph with 1/100 second start/stop 5)LED backlight 6) time Time precision:within 1s (RCC synchronized)within...