Where can I go to learn how to code for the Garmin Watch?

Good place to start - https://developer.garmin.com/connect-iq/overview/

Fortran? Yes I vaguely recall coding in that language. Cobol and Assembly language also give me chills. 

Come on now!  Assembler is cool! 

CIQ uses a language called Monkey C.  The programmer's guide talks about it and compares to other languages:

https://developer.garmin.com/connect-iq/programmers-guide/

take note that the Dive computer app, will only be approved for the Diving Watch if you're planning to publish it in the store. Else it's good for own use. (side loaded or loaded to the store as beta for you only) 

you can also start at starttorun.info/.../

Another thing to check out is the New Developer FAQ.

Also, once you download the SDK, it has a number of simple samples.

https://forums.garmin.com/developer/connect-iq/w/wiki/4/new-developer-faq

Thanks

thanks

I have the latest Java on my PC but eclipse says there is no version found.  Any help would be appreciated.

Here's what I see when I open a dos window and run java -version.  What do you see?  I'm wondering if Java isn't in your path.