Funtions:

200 lap & split memory with 1/100sec.
Recall of the fastest, slowest and average lap time
Segregated memory
Memory recall during operation and after reset
Calendar & Time(12/24 hour format)
Daily alarm
Two countdown & Repeat(9H59M59S)
Pacer
Water-resistance structure
Japanese CMOS & 3.0V lithium battery CR2032