Accurist MB 119 Operating Instructions Manual page 4

OS60, OS10 & OT10 Operating Instructions continued . . .
3. Press BR Button to reset the chronograph
4. When you have finished with the Chronograph function, press BR Button
again; this re-starts the small second hand on Dial B.
Note: After 30 seconds the Second hand on Dial B will stop at the zero position,
however, the time is still continuing to be measured in seconds and when TR
Button is pressed to stop the timing, the second hands will automatically move
to show the time.