Refer to the table below for the description of each degree
of water resistant performance of your watch before using.
Indication on the case back
No indication
5
WATER RESISTANT
WATER RESISTANT
5 BAR
WATER RESISTANT
10(20) BAR
172
Water Resistance
(Refer to "P.174")
Water resistant performance
Non-water resistance
Water resistance for everyday life
Water resistance for everyday life at
5 barometric pressures
Water resistance for everyday life at
10(20) barometric pressures.