

The first digit of the serial number tells you the last digit of the year the watch was made.Looking at the example images: Mvmt-Case | Serial Seiko Serial Number Model Lookup How is the Date Calculated We encourage people to send us additions and corrections. You can also view the entire datefinder database. Your results will be shown here.If you don't know how to find these numbers on your watch please read our instructions below. 90/200 meaning its the 90th of only 200 pieces. Exceptions are pre-1970 models when the numbers were 7 digits long, and limited edition models may have a number reflecting it's piece number e.g. Step 1: Serial Number All modern Seiko watches have the date of manufacture contained in the 6 digit Serial number. The reason for my curiosity is because from my past experience buying Seiko watches from Japan. It would help if you could post or show a photo of the card with the “Japanese” writing, as you mentioned. 'When was my Seiko made?' We hear that a lot here at WatchSleuth so we built this page to help you figure it out.The page includes a calculator along with instructions and example images to help you find the movement caliber, case code and serial number on the back of your watch.The calculator uses these codes to do its magic. A oneyear 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.

For your convenience, please register your watch belowwhere you will be able to upload your proof of purchase in case service is required in the future. In the event your timepiece requires service, please visit for a complete list of instructions. warranty protection is automatically in effect with the purchase of your SeikoTimepiece. warranty (for purchases made on three year U.S. Register your watch for an additional 1-year U.S.
