The GPS functionality would enable accurate outdoor activity tracking, including distance, pace, and route information. It could also provide more detailed location data, such as altitude or elevation information, which could be particularly useful for hikers or climbers.

Furthermore, the Apple Watch Ultra GPS Plus might incorporate advanced health and fitness features. It could include additional sensors to monitor metrics like blood oxygen levels, sleep quality, or stress levels. It might also introduce new workout modes, coaching features, or integration with third-party fitness apps.