The apple company launched today the invitations to the American press for an event dated March 9 (Monday) at the Yerba Buena Center for The Arts in San Francisco. Specialized sites already speculate that the event will be focused on Apple Watch, the company's first smart watch, which, according to the CEO of Tim Cook, will begin to be sold in April.

What We Know About Apple Watch

Some information about Apple Watch, such as models and features, has been released so far. The watch will have three different models: Apple Watch, Apple Watch Sport and Apple Watch Edition. They will have aluminum, gold and steel finish respectively.
Among the announced features are GPS location, gyroscope, accelerometer, 3g connectivity and Wi-Fi. It is also known that the device will be synchronized with iCloud, Apple cloud service, like your other products. In addition to everyday tasks, Apple Watch focuses on physical activity that, with the help of two apps and embedded cardiac monitoring, will help the user stay active.
There is also Digital Crown, as a common crown to set the time of a clock, but it serves either to zoom or zoom or roll a list, for example.
As previously stated, at the launch of iPhone 6, last year, Tim Cook had already announced that Apple Watch would be marketed in early 2015. Specialized sites confirmed the information for April this year.
What we have now is to follow up on this event so we know about the company's plans.