A water-resistance rating alone does not determine permitted use: consult the manual for the exact reference. Seiko — water resistance
Seiko’s table distinguishes splash-resistant 3 bar watches from models permitted for swimming or diving; it is not a universal table for all brands. Seiko — water resistance
Water resistance is not permanent: ageing gaskets and shocks can affect it. Seiko — care
Seiko recommends regular checks, advises against baths and saunas, and says not to operate the crown when the watch is wet. Seiko — care
After seawater use permitted by the manual, rinse in fresh water with the crown closed, avoiding a direct jet. Seiko — water resistance Seiko — care
A metre rating alone does not demonstrate ISO 6425 conformity. Seiko — water resistance
Have an old watch or one of unknown condition assessed before immersion; a test is not a permanent guarantee.
Frequently asked questions
Can I swim with a 3 bar water-resistant watch?
A water-resistance rating alone does not determine permitted use: consult the manual for the exact reference. Seiko’s table distinguishes splash-resistant 3 bar watches from models permitted for swimming or diving; it is not a universal table for all brands. Seiko — water resistance
Condensation appears under the crystal: what should I do?
If condensation appears, seek prompt professional assessment; do not open the watch yourself. Seiko — care
Is an old watch still water-resistant?
Have an old watch or one of unknown condition assessed before immersion; a test is not a permanent guarantee.