19
Water-related use
Minor
exposure to
water (washing
face, rain, etc.)
Swimming
and general
washing work
Skin diving,
marine
sports
Scuba diving
using an air
tank
Saturation
diving using
helium gas
Operate the
crown or button
when the watch
is wet
Name
Indication
Specification
Dial or Case back
Non-water resistant − Non-water resistant
NO NO NO NO NO NO
Everyday-use water resistant
watch
WATER RESIST Water-resistant to 3 atmospheres
OK NO NO NO NO NO
Upgraded everyday use water
resistant watch
W. R. 5 bar Water-resistant to 5 atmospheres
OK OK NO NO NO NO
W. R. 10/20 bar
Water-resistant to 10 and 20
atmospheres
OK OK OK NO NO NO
Water resistance
• Upgraded water-resistance for daily use (to 5 atmospheres) means that the watch may be worn
while swimming, but is not to worn while skin diving.
• Upgraded water-resistance for daily use (to 10/20 atmospheres) means that the watch may be
worn while skin diving, but not while scuba or saturated diving using helium gas.
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