The Gear Watch Designer has been released and it enables watch designers or developers, depending on what you want to be called, to design, produce and distribute Watch Faces without the complexity of code scripting! This tool is however aimed at Semi/Pro Designers, but talented beginners can pull off some Impressive results.
You can create individual elements using design tools, and then assemble them into the watch face and ultimately upload onto the Store. The tools are for non-programmers and are based on existing graphic design tools, you can start using this tool without the big learning curve, but still as some powerful features.
You can download the app for the PC and Mac OSX.