The model number of a Seiko watch can be found either on the original string tab or on the watch box sticker. Seiko watches have the case and serial numbers printed on the back of the watch itself.
Seiko has been making watches since 1891 and has subsidiaries in many countries. Innovative and luxurious design, reliability and staying abreast of new technology have kept Seiko at the top of timepiece manufacturing. For example, the Seiko Astron watch was the first analog GPS solar watch. Seiko timepieces are regarded as being very precise and are the official timepieces used in many sporting events all over the world.