Other features include a black rubber strap, scratch-resistant sapphire crystal, and water resistance to 30 meters (99 feet).
其他功能还包括一个黑色橡胶表带，防刮蓝宝石水晶，30米(99英尺)和耐水性。
2
The quenching strap is a bit higher than unquenched area, it is stressed by its neighborhood. This is beneficial to the wear resistance of quenched strap.