Every Time Mazine has their own "Indication Head", ex: The head of the Timemazine's Robot Mode. A face module emulating Zi-O or Geiz's Ridewatches, it materializes when the formation is complete and acts as a complex sensory unit, allowing its pilot to see what is outside while operating the Robot Mode.

But when using other legend rider Ridewatch such as OOO, the head will change into this

(A/N: picture above is ZI-O TimeMazine OOO-craft)

(A/N: Picture above is ZI-O TimeMazine OOO Tajadol-craft)
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However the TimeJacker has their own TimeMazine:
-TimeMazine (Uhr's personal craft)

-TimeMazine (Ora's personal craft)

And lets not forget the "Resistance who fight Oma ZI-O" also has their own mass-produced TimeMazine