Amazfit is currently previewing a New Version of the GTS 2 smartwatch on Amazon India. However, it should be noted that this unexpected reboot has an update in terms of price and not much else. Then again, this means it has the original former flagship wearable's best attributes, an Apple Watch-like design and SpO2 measurements included.
https://www.notebookcheck.net/Amazfit-GTS-2-gets-a-New-Version-for-the-Indian-market.624214.0.html