Help identify vintage IWC

Hi,

I looking at below watch and wanted to check if anyone can help me identifying
it:-)

from 1949

case size 34,5 case-back number 1158467

movement cal 88 marked IWC number 1123735

I can't find any info or similar watches so naturally I wonder: is it
authentic and original and of course, what I can expect from the movement?

Thanks!

//Nicholas

Indeed a Cal 88 and the numbers match up. According to DATE MY IWC Movement
dates to 1946 and Case 1948.

I suspect that the dial has been repainted, or at least the subsecond
register. Seconds hand is replaced.

Cal 88 is a fantastic movement, reliable and rugged. It is similar to
legendary Cal 89, only with small seconds.

It was produced from 1946 to 1964

Thanks a lot! Clarified a lot!

//Nicholas