Citizen bm8400-50a ユーザーガイド
14
H. PRECAUTIONS
CAUTION: Water-resistance performance
There are several types of water-resistant watches, as
shown in the following table.
There are several types of water-resistant watches, as
shown in the following table.
Indication
Dial
Case
(case back)
Specifications
OK
OK
OK
WATER RESIST or
No indication
WATER
RESIST(ANT)
Water-resistant to 3
atmospheres
WATER RESIST(ANT)
5 bar or
WATER RESIST(ANT)
Water-resistant to 5
atmospheres
WATER RESIST(ANT)
10/20 bar or
WATER RESIST(ANT)
Water-resistant to
10/20 atmospheres
WR50 or
WATER RESIST 50
WR100/200 or
WATER RESIST
100/200
Minor exposure to water
(washing face, rain, etc.)
(washing face, rain, etc.)
The unit “bar” is roughly equal to 1 atmosphere.