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PRECAUTIONS
Before diving, make sure that the watch operates normally and be sure to observe the
precautions described below.
Do not attempt to dive using the watch unless you have been properly trained in diving.
Abide by the rules of diving for safety’s sake.
BEFORE DIVING
● Do not operate the crown when the watch is wet or in water.
● Take care not to hit the watch against hard objects such as rocks.
WHILE DIVING
● Do not use the watch for saturation diving using helium gas (except for Cal. 7C46).
● Check that:
• the watch operates normally.
• the crown is locked tightly in place.
• there are no visible cracks in the crystal or the watch band.
• the strap or bracelet is securely fastened to the watch case.
• the buckle keeps the strap or bracelet firmly secured to the wrist.
• the rotating bezel turns counterclockwise smoothly (the rotation must not be too loose or too tight)
and the “ ▼ ” mark aligns with the minute hand.
• the time and calendar are appropriately set.
If there are any malfunctions, we recommend that you contact an AUTHORIZED SEIKO SERVICE
CENTER.