From the original date of purchase your watch has a one year warranty. You do not have to register the watch during that period. Just make sure that your have the original bill of sale to show proof of purchase if the need arises to have Invicta service the watch during that first year. You have the option to register your watch with Invicta to extend your warranty four additional years based on the retail value of the watch, example: Retail value $0.00- $!49.00 will cost $25.00 and so on. And, you pay for the shipping both ways if the watch needs to be repaired. Expect to wait at least 90 days for the return of your watch if it has to be shipped out of the USA.