Function Instruction：
Chronograph
- Count up to 10 hours,1/100th of a second within the 1st 30 mintues, after that , in second timing.
- Two laps split time only.
Clock
- Measures to 24 hours.
- Hour, Minute, Second, Month, Date, Day and Year, Auto Calendar.
- Hourly chime and alarm.
- 12/24 hours time format.
Includes Lanyard, alkline cell battery LR44 in it .
Model：TF307
Size：71.0x 64.0x 16.0mm
Weight：37.5g
2 laps split time
Display of cum splits
Time,Alarm and calendar
Large single row display
Measures to 24 hours
