This widget allows you to put a fully animated and customizable clock right on your springboard. You can choose from dozens of options for the clock's background, animated gears, hands, and scrolling style. There are over 300 possible clock combinations you can make!
This widget is part of WidgetBuilder, which allows you to build your own widgets exactly how you want on your springboard. This widget comes free with WidgetBuilder, and also includes access to several other expansion packs. See WidgetBuilder here
To use, just open iWidgets and select the widget called "WB customizable clock" and select your options. Play around to find the clock you like best!