57GS
![57GS](https://watchprofessoracademy.com/wp-content/uploads/2023/08/baa2eb66718d7ac08d51f601d7e8c3e7.jpg)
The 57GS was equipped with the caliber 5722A which had a quick-set date. The Self-Dater, as it was also know as. allowed the wearer to adjust the date without having to advance the hands. was also the first Grand Seiko timepiece to feature “Zaratsu” polishing.