See the world debut of the Apple Watch

Apple Watch is the most personal device we've ever created. We set out to make the best watch in the world, one that is precise. It's synchronized with the universal time standard, and it's accurate within plus or minus. Fifty milliseconds. It's incredibly customizable so you can find one that reflects your personal style and taste. Because you wear it we invented new intimate ways to connect and communicate. Directly from your wrist. And it works seamlessly with Iphone. And it's also a comprehensive health and fitness device. Now, Applewatch took very deep thinking. And out of this came some truly remarkable innovations.