Some models feature a screw-down crown.
Before setting the time or date, it must first be unscrewed by turning it anticlockwise.
After setting, it should be screwed back in fully to maintain water resistance.
What is a screw-down crown?
Some models feature a screw-down crown.
Before setting the time or date, it must first be unscrewed by turning it anticlockwise.
After setting, it should be screwed back in fully to maintain water resistance.
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