AW4 user here, from early morning around 6+ am to 11pm, I mostly end my day with 40-50% charge. I exercise heavily and use tracking everyday. Just for your reference, I believe AW5 won’t differ much.

IMHO, just put it to charge every night before sleep.

For those worry about scratching your ss, it can be polished easily. I have been doing that since series 2, just make sure you get a silver one.

Just get Cape Cod polishing cloth. I bought mine online.

You can still reply WA messages on AW. It can’t be used independently on cellular without phone.

Celcom's pre-order starts on 6th Dec, guess it will launch on the same week as Maxis.

Series 4 SG set tested with Celcom, working fine.

Celcom user here, very straight forward, activated within a few minutes.

More or less like my experience when I turn cellular on. Also, radio streaming uses even more juice than Apple Music.

Never use one since series 0. It destroys the beauty of the watch.

Nope, but if you are truly worried then get a stainless steel.

Got it from SG. The glass is sapphire, definitely sturdier.

Did you do heavy workout with it like running or cycling?

From my reading on the web, it doesn't seems to calculate every time during workout, but only on a relatively hard one. Kinda match my personal experience. It won't record anything if I run a 5k cause I usually go much longer than that. Anyone has different experience? Apple is not exactly forthright on how they do it.

It is available since Watchos6 (or 5?). It’s featured prominently in S6 probably because of the SPO2 that changes its calculation.

No, it's not. I am using series 4. It's software based. S6 may allows more accurate calculation because of SPO2 sensor.