Manual
Page 11
... watch has a protective film and/or a sticker on the case back, be sure to peel them off before using your watch checked by an AUTHORIZED SEIKO DEALER or SERVICE CENTER to ensure that the 2 - 3 watch be adversely affected by dust, moisture and perspiration, wipe them may rust the case back. English... REGARDING CASE BACK PROTECTIVE FILM To prevent possible rusting of the case and bracelet caused by strong magnetism. It is recommended that the case, crown, gasket and crystal seal remain intact. 12
... watch has a protective film and/or a sticker on the case back, be sure to peel them off before using your watch checked by an AUTHORIZED SEIKO DEALER or SERVICE CENTER to ensure that the 2 - 3 watch be adversely affected by dust, moisture and perspiration, wipe them may rust the case back. English... REGARDING CASE BACK PROTECTIVE FILM To prevent possible rusting of the case and bracelet caused by strong magnetism. It is recommended that the case, crown, gasket and crystal seal remain intact. 12