Citizen E610 - Page 94

197
[Calculation of speed]
Q :
What is the speed of a vehicle travelling a distance of 180km for period 2 hours
and 30 minutes ?
A :
Align 18 of the outer scale with 2:30 of the inner scale.
Result: 72km can be determined by comparing the SPEED INDEX “

” of the
inner scale and corresponding outer scale indications.