- 5 atm With its waterproof feature, it provides resistance to splashes of water in daily use - quartz mechanism, keeping track of time precisely and accurately; - steel lanyard material offers durability and elegance together for long-lasting use; - mineral glass type provides extra protection from scratches, keeping your watch screen safe; - gray case color matches any outfit while giving a modern and elegant look; - steel case material adds extra durability and stability to your watch;