Durability; endurance — the ability to last or withstand wear, pressure, or damage over time.
この時計は耐久性が高く、何年も問題なく動く。
This watch has high durability and runs without problems for many years.
耐久テストで問題がなかったので、製品は市場に出されることになった。
Since it passed the durability tests, the product was approved for market release.