Apple Watch Series 10 — or Watch X — may be unveiled at the “It’s Glowtime” Apple event on September 9. Details about the Apple Watch Series 9 successor have surfaced online over the past few weeks, suggesting several key features and upgrades it may arrive with. A new report claims the watch will likely come with bigger display sizes than the existing 41mm and 45mm options. It is tipped to get an updated heart rate sensor and…