When should I register my watch? You can register your watch anytime during the 3year guarantee period. Registering your watch will give you an additional year free, for a total of four years of warranty coverage. https://uk.bulova.com/register-your-watch/ Related articles Is a battery replacement covered under warranty? How do I claim from my guarantee? How do I register my new watch? How should I clean my watch band? I have signed up to your newsletter but not received my discount code, why?