Lately I've become interested in early King Seikos for their cool, sleek 60s design and unique history, the 2nd generation models, like this: I believe the models numbers to look out for are 44999 and 44-9990. King Seiko also produced similar looking chronometer versions, the rare 49999 and 4420-9990, which tend to go for crazy money on auction websites. Here's my question which I'm hoping someone can answer definitively - are the chronometer versions larger than the others? I've seen pictures and comments that seem to indicate so, and have even seen them listed at almost 37mm w/o crown, which is huge for a vintage watch, and would look almost contemporary with the thin bezel and large dial design. Any insight appreciated.