THIS IS A NICE OMEGA ACIER STAYBRITE WATCH CASE IN GREAT SHAPE IT MEASURES 22MM BY 39MM AND IS IN AWESOME SHAPE, THE ORIGINAL END PIECES FOR THE BAND ARE ALSO INCLUDED. THE MEASUREMENT OF THE MOVEMENT THAT FITS IT SHOULD BE ABOUT 25MM BY ABOUT 13MM. THIS CASE IS FOR THE MENS ART DECO CALIBER T17 TANK WATCH FROM THE 1930'S. THIS OMEGA WATCH COMPLETE SELLS FOR $800. SERIAL NUMBER IS 9631077 GET IT WHILE YOU CAN!