Users can also have the option to replace it with any other 22 mm band of their choice. (techone3.in)
That might be because we wore it with a 21 mm band though, which, to be honest, is way too big for our wrist. (pocket-lint.com)
You can only buy it with a 42 mm stainless steel case, and the 18 mm or 21 mm band options can be removed easily, thanks to a quick - release mechanism. (pocket-lint.com)