How does one hack into Carrera second register ? *LINK*

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One of the catalog pages located on this website mentions hacking into the continually moving second hand of the Carrera.

I have been unable to do this, is anyone familiar on how to do this ?

Quote:
"The small permanent motion hand (dial 1) can be hacked in on a standard time signal by holding the hand with the winding crown out."

Source:
Home > Guide > Catalogs > 1966 Brochure > Page67
http://www.onthedash.com/Guide/_Catalogs/1966_Brochure/?show=page67.jpg#

Thank You,
Alan

0 wallclock secs ( 0.07 usr + 0.02 sys = 0.09 CPU)