This certified diver's watch is coated with SuperLuminova®, which ensures excellent visibility whether you're up high on a mountain or deep down in the sea. Its automatic movement offers up to 80 hours of power reserve, making it a reliable go-to for your next adventure. 43mm case Automatic movement 80 hour power reserve Water-resistant to 30 ATM (300 meters) Sapphire crystal with anti-reflective coating High-tech ceramic/titanium Swiss made