Effective June 30, 2008, our company name has been changed from SEIKO　S-YARD CO., LTD. to SEIKO SPORTS LIFE CO., LTD.

Tokyo Marathon 2009SEIKO is the Official Timer of Tokyo Marathon 2010.

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Specs / Functions / Icons

SPORTING EVENTS FOR WHICH STOPWATCHES ARE SUITABLE

Track
events
Road
races
Swimming
Soccer
Basketball
The extent of suitability is indicated by the color of pictograms.

Most
Recomended
Recomended

Ski
Skate
Boat
race
Motor
sports
Interval
training

Functions
FUNCTIONS REMARKS
TOTAL TIME
The time required to cover the whole
distance from the start to goal.
SPLIT TIME
The elapsed time required to cover a distance from the start to a given point.
LAP TIME
The elapsed time required to cover a
given section of the entire distance.
STROKE Frequency activities such as movement of the arms in swimming, rowing, etc.
TIMER It counts down the set time,displaying the remainder.
WATER RESISTANT 3 BAR The stopwatch withholds accidental contact with splashes of water,rain, etc.
WATER RESISTANT 5 BAR The stopwatch is suitable for swimming, yachting and taking a shower.
WATER RESISTANT 10 BAR The stopwatch is suitable for taking a bath and shallow diving
(but not for scuba diving)
FULL AUTO CALENDAR The calendar automatically adjusts for odd and even months including February of leap years.
TIME Time display function provided.
BUTTON SOUND Button operation confirmation sounds provided.
CONNECTABLE TO PRINTER The stopwatch can be connected with the printer SFD001JA.
PRINT OUT The stopwatch has a built-in printer.
MEMORY Measureed data is automatically stored in memory and can be recalled as required.
LIGHT-EMITTING DIODE The light iluminates the display for easy viewing in the dark.
ALARM Alarm function is provided.
Minimum measurement unit

1/10 seconds
1/100 seconds
1/10DM		 * DM = Decimal system unit for industrial use.
*1DM corresponds to 1/100 minutes.
Maximum measurement times

60 minutes
10 hours
100 hours
100,000DM
Battery life

2 years
3 years
5 years