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Water Resistance Info

Water Resistance : This watch will withstand the ingress of water at the static pressure indicated on its case (50, 100, or 200 meters), and immersion in salt water at the depth indicated. Note, however, that dynamic pressure generated by movement underwater is greater than static pressure. Note the following.
*Rank
Case Designation
Splashes,
rain, etc.
Swimming,
car-washing, etc.
Snorkeling,
diving, etc.
Scuba
diving
I
-
No
No
No
No
II
WATER RESISTANT
Yes
No
No
No
III
50 M WATER RESISTANT
Yes
Yes
No
No
IV
100 M WATER RESISTANT
Yes
Yes
Yes
No
V
200 M WATER RESISTANT
300 M WATER RESISTANT
Yes
Yes
Yes
Yes

* Notes

  1. Not water resistant. Avoid all moisture.
  2. Do not operate buttons underwater.
  3. Button operation underwater is allowed, but do not operate recessed buttons. If watch is exposed to salt water, wash thoroughly and wipe dry.
  4. Usable while scuba diving (except at depths that require helium-oxygen gas).
  1. Your water-resistant watch has been tested in accordance with the International Organization for Standardization regulations ISO22812 and FTC (USA) “GUIDE FOR THE WATCH INDUSTRY”, Guide 5.
  2. Some water-resistant watches feature leather bands. Do not wear such a model during swimming or any other activity during wich the band is immersed in water.