Explore the world on your wrist. Second only to diamond in hardness, sapphire crystal is a premium feature found in luxury timepieces. As you go on life's adventures, rest assured that your watch crystal's exceptional toughness and scratch resistance can keep up. 

• Wear OS by Google
• Dual-Engine Architecture 
• Sapphire Crystal Glass
• Military Grade Durability 
• Run with a wearable trainer