Vintage IWC

Any idea about this watch?
cal number? production decade??
Is it valuable for collectors?

Vintage IWC

it's most likely...

...a calibre 89 handwound from the late 1950s or early '60s. You might want to go through the catalogs of the era which are at:

www.iwcforum.com/Vintage_Catalogs.html

Thank you Michael for the valuable link!!!