Don't the Garmin watches still have USB access to the file system?
The old ones did, and even the newest Garmin Edge series cycling computers let you do this. They run (mostly) the same firmware as the (high-end) watches, so I'd be surprised if they don't.
The old ones did, and even the newest Garmin Edge series cycling computers let you do this. They run (mostly) the same firmware as the (high-end) watches, so I'd be surprised if they don't.