While you wait for answers, we may have found some information which could help you.
Click here for Battery Viceroy Radio Controlledwhat battery do i need ?
How can I remove the battery spring on my Crane & Viceroy watch?
Crane and viceroy 3button watch?
How to stop my atmic watch?
I have radio controlled ladies analogue watch and it stopped?
Crane & Viceroy watch battery?