I believe the black/red hand is one piece as it looks identical to those seen on Bulova watches such as this Accutron:
I'm not sure whether that's a sign of a non-original service replacement or not - Bulova took ownership of UG in 1967 and the serial of this watch suggests production in that year so there could have been a common supply for some parts. I'm looking forward to seeing it in the metal. After hankering for a Railrouter for years, I now have two! The other is being serviced by Mitka while the (awful, previously refinished) dial is being reprinted with artwork I knocked up - we'll see how close they get to it!
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