Design inspired by Chester Lowrey.
I made some minor changes to the source code.
Shortened the hour hand.  Increased speed of both
digital and analog time set.  Decreased time to switch
between analog and digital modes.
PIC assembler is tough stuff.
 

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The clock spins using a belt system made from junkbox VCR parts.
I made a slipring to get the 5V supply voltage to the prop board
using a modified video head assembly.    5V supply and motor
speed controller on same board, center below main pulley.
Bottom left shows speed pot and Time Set and Mode Set switches.
(some day, i'll get hi-res photos) sorry.

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The programmer I used was based on a design by Bob Blick.
http://www.bobblick.com/bob/projects/f84pgm/index.html

Video Download (for the patient) 300K.
Win95 and Win98 only,  Sorry.

Schematics

Source code and HEX files
 

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