Realise that I probably should have posted this in here by now.
Now with a spare movement - cal 246. This seems to be the only movement where they seem to have removed the second hand pinion selectively - examples exist with both no seconds and sub-seconds.
Very cool roman + art deco square combination dial on eBay now. Interesting for me to see as I have the SS version of the same case design. Serial is just off by about 100.
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