precision contest造句

In 1876, the company showed off the first automatic screw making machinery and obtained the first Gold Medal in a watch precision contest at the Philadelphia Centennial Exposition.
The first international watch precision contest took place in 1876, during the International Centennial Exposition in Philadelphia ( the winning four top watches, which outclassed all competitors, had been randomly selected out of the mass production line ), on display was also the first fully automatic screw-making machine.
It's difficult to find precision contest in a sentence. 用precision contest造句挺难的