Timex Mechanical Watches •Silver is 37mm diameter •Winds and runs but winding is a bit stiff •Date functions properly •Scratches on crystal, PolyWatch could take most out •Gold is 33mm diameter •Winds and runs with no issues •Date functions perfectly •Small scratches hardly noticeable that PolyWatch might remove Both 19mm so including a new (albeit cheap) 19mm leather band I had.