I have never opened a watch before but wanted to get into watches, I recently bought a longines case 8903-1 I was wondering does anyone know how to open this? I really don't want to damage it.

thank you

Pieter

 

Looks like a monocoque case. You probably have to get to it by taking out the crystal. Unfortunately the tools to do it are not.commonly found at your average watch repair place

 

....so you bought a nos case to practice on? Now you need one of these

 

Thank you guys for your help ! Ill bring to a watch place and see if they can open it for me

I have one more question how would I go about removing the crown off a longings 30l to put in case ?

Thanks

Appreciate all the help

Kind regard
Pieter

 

With respect. If you have to ask, then don’t do it.

 

Thanks but it will be my first time doing it and everyone has to start somewhere. I saw some movement seem to have a little latch and some a little knob to release just wanted to ask if someone knows more specifically about longines 30l

 

Loosen the tiny screw pictured and gently pull out the stem.

 

Thank you very much ! Thank you for all your help
Quick question do you by any chance know what size screwdriver I need for that as I assume it's specific?

Thank you

Pieter

 

A very small one I assume

 

Haha thanks for that I guess I'll just order a micro set off Amazon.

Cheers anyways.