Most CTSWs do not come with a intergated GPS. Most have an Airgizmos docking station on the panel which allows a standard Garmin 196/296/396/496 etc to be carried.
The Garmins can 'memorise' track/altitude data.
I will try and post a photo later.
The 'Group A' version of the CTSW - the CTLS, can come with the above arrangement or a perm fitted Garmin 695, which can be coupled to the auto pilot.