The OPPO Watch is probably one of the most Apple-like smartwatches with Wear OS out there. Now, some leaks hint strongly at a second generation powered by Qualcomm's most up-to-date platforms for wearables. Meanwhile, the company Ambiq seems to have already gone ahead and confirmed that it has provided a back-up SoC that conserves battery life on this device.
https://www.notebookcheck.net/The-OPPO-Watch-2-will-pack-the-latest-Snapdragon-4100-and-a-2nd-low-power-co-processor.541651.0.html