Apple Watch: New Chic, Geeky Tech Item

An Apple employee presents ResearchKit, an open-source software that lets researchers and developers create apps for the advancement of medical research.

Apple Watch apps

A type Apple Watch clock

Apple Watch units on display

A user trying out apps installed on an Apple Watch device

Several Apple Watch models are on display.

The three versions of Apple Watch: Watch, Watch Sport and Watch Edition

Apple Watch versions and their sizes

Announced on March 9 in San Francisco, the Apple Watch is a wearable device that functions as a timepiece, a fitness gadget and a communication device. It is available in three versions called Watch, Watch Sport and Watch Edition, which are then offered in 38mm and 42mm sizes.