STOPWATCH One or more STOPWATCH The relevant coil is broken. Measure the coil block resistance.
hands have stopped moving Replace the coil with a new one if
or show an abnormal move- necessary.
ment. An excessive load is being Clean the relevant parts and
applied to the chronograph lubr icate with an adequate
wheels due to dust or foreign amount of oil.
par ticles adhering to them or
oil starvation.
The step motor shows an There is a crack on the circuit Replace the circuit block with a
abnormal movement. block switch pattern. new one.
The step motor has been deformed. Replace the stator with a new
one.
The buttons do not operate The amount of oil around the Clean the buttons and lubricate
normally. buttons is insufficient. appropriately.
The circuit block pat tern has Adjust the circuit block pattern
been broken or bent. or replace the circuit block with a
new one.
Exterior The crown falls off. The winding stem is not securely Check the main plate, winding
Parts installed. (The setting lever and stem, set ting lever and yoke.
yoke are disengaged.) Replace the defective parts with
new ones.
The current consumption An excessive load is being Adjust or remount the relevant
exceeds the standard value. applied due to friction among hands.
the hour, minute and STOP-
WATCH hands.
Small amount of water/ Water resistance is deteriorated. Investigate the causes to take
blur inside of the glass The watch has been subjected to necessary measures , while
persists. water pressure that exceeds the cleaning inside of the watch.
guaranteed degree.
20/20
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