dias, for example two days would be dos dias
El día
days = días
The days is "los días".
May be you have to configure it in order to display the days in English. Is it a Spanish watch? Did you buy it in/from a Spanish-speaking country?
Sunday is "domingo" in Spanish. Note the days of the week are not capitalized in Spanish.
7 days
Thursday is "el jueves" in Spanish. Note that the days of the week are not capitalized in Spanish.
Días
It is "domingo". Please note that the names of the days in Spanish are not capitalized.
Días with an accent is the Spanish word for "days".
diadía (there is an accent over the I)dia
Días with an accent is the Spanish word for "days".
"Wednesday" is "miércoles" in Spanish. Note the days of the week are not capitalized.