I decided sometime last year that I wanted to make a smart watch from scratch. I am an electrical engineer and product designer by day, so this was a fun side project that had been rolling around in my head for a while now.
To download the SDK for the DA14683, you can click this link
If you want to order PCBs from the same place I did, you can click this link.
For more info on the build process and a blog describing the process, click here.
For any ideas or things you wish could be in the project, comment on the issue here
If you are interested in getting the soldered or barebones PCB, follow this issue created by vanabluca