Your three year U.S. warranty protection is automatically in effect with the purchase of your Seiko Timepiece. In the event your timepiece requires service, please visit www.seikoserviceusa.com for a complete list of instructions. For your convenience, please register your watch below where you will be able to upload your proof of purchase in case service is required in the future. A one year global warranty card is also shipped with each watch in case you need service outside the U.S. Your Seiko warranty card is located in an envelope enclosed with your watch.