Horological Meandering

Anyone that can help me with info about this watch? And set an estimated value? Thank you...  

Dates from the late '40s to early '50s. Appears to be original, with the exception of the incorrect (Record) replacement crown. The case appears to be in good condition, the dial is difficult to asses, the crystal will need replacing, and the movement is ... 

Thank you for usefull information.. And do you know where i can get replacment glass? and where i can buy a nice strap i can put on before selling it? I bought it for 25€ on a facebook page.

Any competent watchmaker will be able to source and replace the crystal. You have countless options, both on and off the internet, for straps.

But is it worth to replace, depending on the value on the watch?

To increase the value