Bell Ross Quartz Chrono BR 01-94 PLEASE HELP

[horologie_unitas]

Hello to everyone,
i have the watch mentioned above. Battery needs to be replaced, i understand, the little screw in thze back needs to be removed, in order to remove the crown. removed the screw, but the crwn with stem will not come out !! any help, ideas, greatly appreciated !

 

[Oascom]

You need to press the button that is inside to release the crown. I just serviced similar watch. Just mechanical.

 

[horologie_unitas]

thank you, i tried that, with a needle, the stem will not come out. in which position does the crown has to be when pushing the pin in ? thanks for your efforts helping