Yes, you can put a 20mm strap on a 19mm lug width watch and a 22mm strap on a 21mm lug watch
Classic Silver-tone Chain With Genuine Leather Woven-in 3/8
Just Because: The Amazing Secret That Big NATO Doesn't Want You To Know - Hodinkee
1 Steps on How To Choose Right Watch Strap Size for You
A How-to Guide for Choosing Your Cross Body Strap Length – Mautto
How can I know my strap size? - Martu
Louis Vuitton Strap Options by Mautto
Cotton Canvas Adjustable Strap, 1 Wide, U-shape Swiveling Clips – Mautto
1 Steps on How To Choose Right Watch Strap Size for You
HOW TO PROPERLY SIZE YOUR WRIST for the correct Watch Strap or Band Length Short, Standard, Long?
HOW TO PROPERLY SIZE YOUR WRIST for the correct Watch Strap or Band Length Short, Standard, Long?
Leather Shoulder Bag/Purse Strap - Choose Color & Finish - 30 Length, 3/4 Wide, #13 Snap Hooks, Mautto Handbags