The quartz watch keeps good time.

石英表走时准。

Quartz watch is also afraid of flooding.

石英表也怕水浸。

I'll take a quartz watch to replace my old mechanical one.

我就买一块石英表，代替我的老机械表吧。

What kind of watch do you mechanical watches, or quartz watches?

店： 您要哪一类手表： 机械手表，还是石英手表？

What kind of watch do you mechanical watches, or quartz watches?

您要哪一类手表：机械手表，还是石英手表？