Nalomb, I think I am getting the same batch as you are.
Mine definitely dies before that 12hrs off my wrist.
And 90% of the time (the longer I don't use it), I have to bump the watch hard to a pillow or something else to make the movement starts. Simple time-setting and then wear it would not do any good.
To the OP, I think you are having the latest batch from KW. I can see that from the white pearl. Mine and I'm sure nalomb's is an old batch with greenish pearl.
Oh yea, one more thing, despite all lighting conditions, I can still be SURE there is really 2 pearl colors out in the market.
Congrats man, you are lucky.