Apple’s native calendar app on watchOS includes customization options that let you see alternate views, like a week summary and a full month. But the Google Calendar app only shows a week’s worth of events on your Apple Watch with their time and location, as well as Google Tasks in a simple list view showing the day of the week in the upper corner as you scroll.
You can click on an event to see additional details, but it’s very limited. You’re prompted to instead “Open Calendar on…