SIZES: 18mm x 18 mm LUGS TO LUGS 24 mm LUG SPACING 8 mm 
SERVICED BY A EXPERT WATCHMAKER . KEEP GOOD TIME !!!  
NOTE :
The condition is as you can see it in the photos. The Retro watch/clock is nicely working (keep in mind that old watches can always show small defects, so please don't expect them to run as they were new). There is always the possibility the mechanism to slow or hasten in time, this can be adjusted manually