The fix will be added to a future watchOS update.
Apple released the updated watchOS 10.1 software platform for its Apple Watch smartwatch at the end of October. After the release, numerous user complaints began to appear online about excessive battery consumption and too rapid discharge.
the Apple Watch discharges too quickly, Apple acknowledged the problem
Apple is aware of the problem and is already working to fix it. An internal corporate note says the issue will be fixed in a watchOS update coming “soon.” The company did not name the reasons for its occurrence.