Amazfit Watch faces

w3schools dot com/jsref/jsref_tolocalestring.asp

Basically just plop this in browser's console and you have locales you specified in first line in form specified by 'long' (see reference above).
var locales = ['sk-SK', 'en-US', 'cs-CZ', 'pl-PL', 'hr-HR', 'es-ES', 'pt-BR', 'fr-FR', 'hu-HU', 'de-DE ...

yeah, probably new library is not truly support mono. I will check it, thx