This is an antique Durant mechanical counter, model 5-H-11-R, featuring a 1:1 ratio.
Classic mechanical design with visible wear
Model number 5-H-11-R for easy identification
Made in Watertown, Wisconsin, USA
Patent number 2996241
Manual reset with wing nut on side.
Turns and counts with no issues.
measures 5 1/4" wide & 2 3/4" tall not counting the side count handle