self-winding watch

例句：

1. 1. I bought a self-winding watch for my father's birthday.
   我为我父亲的生日买了一块自动上弦手表。
2. 2. The self-winding watch has been keeping accurate time for over 50 years.
   这块自动上弦手表已经准确运行了50多年。
3. 3.The self-winding watch is easy to use and requires no maintenance.
   这款自动上弦手表使用方便，不需要维护。