Apple provides a measurement Software on the web [PDF], and It is really another best tool to employ if you can't reach an ‌Apple Keep‌. On the store site with the Solo Loop that you want, click on the "Commence your measurement" choice to download and print Apple's sizing tool. https://rafaellduld.theideasblog.com/27225053/the-ultimate-guide-to-turquoise-watch-band-for-apple-watch