NF S81-550

Horology - Method for the inspection of the quality of quartz watches

Le présent document spécifie les conditions de contrôle de la qualité des montres à quartz. Il définit notamment les méthodes d'essai et exigences pour une observation en lanterne, pour le contrôle des fonctions, de l'étanchéité, de la résistance du bracelet en traction-torsion, de la résistance au magnétisme et de la résistance aux chocs de la montre. Les conditions de l'examen de bonne facture sont également précisées ainsi que celles de la caractérisation des matériaux utilisés pour l'habillage. Les exigences relatives à la précision chronométrique et aux caractéristiques électriques sont définies.

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