Totally subjective: the "best" watch is a Grand Seiko with a Spring Drive movement. The smooth sweep of the hands are mesmerizing to me. That said, I'm unlikely to ever buy one--I can afford it, but I'd rather blow money on "dubious" computer equipment--unless I start making FY money.
That Spring Drive is a mecha-quartz movement, no? You can find the same one in several other watches, even non-Seiko ones; look for the VK64 or VK63 movements. This one I like in particular:
