How To Use The Chronograph
Step 1. To start chronograph measurement, push and
release button "A".
Step 2. To stop chronograph measurement, push and
release button "A". Measurement ceases; time is indicated.
Step 3. To reset chronograph hands to "0", push and release
button "B".
How To Use The Tachymeter (On Some Models)
Step 1. With the watch in normal time indication mode, push
and release button "A" precisely at the start of a measured
kilometer*
Step 2. Push and release button "A" precisely at the end of
the measured kilometer.
Step 3. Read the outer edge of the dial to obtain your speed in
kilometers per hour.
Step 4. Reset your watch by pushing and releasing button
"B".
