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 How do I register my new watch? Is a battery replacement covered under warranty? How do I claim from my guarantee? Where can I purchase parts for my Bulova watch? Do you offer engraving?