"With simple shapes and gradients, this easy tutorial will show you how to create an alarm clock icon. We'll be using Illustrator CS4 for this tutorial, but those of you with older version should be able to follow along as well. Let's jump into this tutorial, which beginning illustrators will find especially useful!" - Rype
Here is a link to the written version of the tutorial How to Create an Alarm Clock Icon and the video version is below.