Waterproofing Knowledge: Correct Wearing Habits for the Submariner

The screw-down crown is the first line of defense. Always tighten it after setting the time.

• Untightened crown = no water resistance
• Heat and steam kill gaskets
• Check crystal and case back after impacts

Treat replica Subs as splash-proof: fine for hand washing and rain, not for swimming.

Correct use means long companionship.