As others have said, there is a little power button on the top right, but if that doesn’t work you can do a soft reboot, by holding down the crown and action button until you see the apple logo.

I saw some post that they did it and it didn’t work for them, so I was wary to do it, but at that point the battery was draining so fast what did I have to lose. So far it’s way better not exactly how it was before but better, took it off the charger at 6:50am it’s now 1:05 and it’s at 81 so 6 hours 19% lost. Yesterday I lost 30% in 2hrs.

So the solution that has so far worked for me is to unpair and pair again as a new watch. The whole day yesterday the battery was terrible, lost like 35% in 2 hours, at times even on the charger it was losing battery. I had unpaired and paired earlier in the day but restored from back up and that didn’t help. So while on the phone with apple, from what they said they haven’t heard any reports of this issue with 10.1 and battery drain, couldn’t pull any logs as the watch kept disconnecting from the phone. So last night I unpaired and paired as a new watch left it on the charger over night to charge to 100 and so far its way better 5% loss in 2hours. The watch itself yesterday was acting weird, rebooting it literally took 10min to come back on, it was losing connection even tho on the phone in bluetooth setting it said it was paired, after the first unpair and pair from back up the redownloading of apps took hours to do. So as of now everything is working normally, fingers crossed tho!

Yesterday was a nightmare, it was just dying while on the charger. The % was just going down even while charging. I unpaired and paired again from backup and that didn’t help either, I closed apps running in the background was on the phone with apple support. I finally resorted to unpair and pair as a new watch, and looks like for now at least its working as it should. the battery is 1000 times better than yesterday, 2hours off the charger from 100% and lost 4%, which compared to yesterday 2 hours it would have lost 30%

10 was prefect no issues battery was good, 10.1 literally killed the battery, or whatever resource was running was consuming the battery crazy. I THINK I finally got it back to normal only after, I had to unpair and pair again without using the back up, doing it as a new watch. The battery is good now, yesterday it was dropping like 2% every 5min with out even using the watch itself.

S8 here and same thing with me after update. Battery just took a nose dive after not, went to bad with 60% woke up to the watch dead. that has never happened before, talking to support now.

I mean it is Halloween

Yes its bad right now I have an S8 and updated last night, went to bed at 60% in sleep mode and woke up dead, when usually its 7-8% over night. Also the charging has been super slow compared to normal, with the cable it came with it charges crazy fast, now its just slow hope they fix this, this is the first time I’ve had any battery drain like this.

Yea mine is insane too, usually over night sleeping I lose 7-8 % after this update lost 60% and it died that’s just nuts, hope it fixes itself as others have said but this has never happened

Mine drained 60% over night in about 7 hours and it has never done that with any update.

Updates last night, watch was charged to 60 went to bed at midnight and this morning now at 7am it’s 0 what the hell! Never had that happen usually over night it’s like 7-8% drain not 60%! What’s going on??