Had some time to spent, and in order to close it, I’ve checked a lot of 168.005 from different thread, and my guess is that indeed, it may have two different length:
-until around 1963 (no « t » on dial) hour hand ends slightly above the feet of the omega symbol
-later model has a slightly shorter hour hand which ends just below the omega symbol when on 12
If it is confirmed, it may be a way to check dial / hands / consistency.
maybe some will post pictures to confirm or not this
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