I'm a huge fan of the Seiko Kinetic Diver SUN019 with stainless steel bracelet and I've been able to keep it fully charged (6 month reserve) with regular wear over the last 2 month. But another needy kinetic in the mix? I've read that the new quartz battery keeps its charge better, so I thought I'd risk it. My concern is that with two kinetics demanding my time, I won't rotate my other watch treasures, which will get neglected. Time will tell.
On to the Seiko SUN023. Because it's black and mated with a strap, it plays smaller and is actually lighter than my SUN019. The lume is equal on both, which is to say topnotch.
The strap is very comfortable and soft. Like all straps, though, it wears a bit warm on the wrist. I've considered putting on a leather alligator band or black shark mesh or a black Super Engineer II but then I'd be changing the watch's essence, so to speak. This is a rubber strap diver.
The black matte finish on the case should be scratch-resistant as Seiko usually wears better than most of your cheap watches in which the enamel peels off like fingernail polish.
We shall see what it's like to keep two kinetics charged while rotating another 8 or so watches. If I feel suffocated by having two kinetics, one will have to go. But I hope I keep both. I love the way both of them look.