How can I sign up for an account to use the App? You can sign up using your email address, Apple account, Facebook account, or Google account. Related articles How do I download the App? How can I sign up for an account to use the Citizen Connected app? Why doesn't the Citizen app recognize my watch? Why do watches and clocks with Roman numerals use “IIII” instead of “IV”? How do I find my watch caliber number?