Apple Watch battery life to last 18 hours, priced from $349 to $10K

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NEW YORK (CNNMoney) -- After giving a teaser in September, Apple CEO Tim Cook started revealing the last remaining details about the Apple Watch during an event in San Francisco Monday.

Apple fans have been waiting for confirmation of when the company's first wearable device will go on sale, how long the battery will last, and how much each of the three different Apple Watch models will cost.

An hour into the event, Cook still hadn't said. He did, however, speak excitedly about some of the device's features.

You can receive calls on your Apple Watch, for example.

(Apple)

(Apple)

"I've been wanting to do this since I was 5 years old, the days is finally here," Cook said.

You can send other Apple Watch users doodles, taps, and your heart beat with its new "digital touch" technology. "This is the most personal device we have ever created," Cook said. "We're introducing a whole new way to communicate."

To promote its health and fitness features, Apple gave an Apple Watch to model and activist Christy Turlington, who recently ran a half marathon in Africa wearing the watch.

Turlington appeared with Cook on stage to "The race was pretty challenging so I was checking quite it frequently," Turlington.