This is a used Seiko 5 automatic watch, model 7S26-10V2The classic Seiko 5 automatic mechanical watch features the 7S26 21-jewel automatic movement, with a transparent case back offering a clear view of the movement's structure. It boasts a solid stainless steel round case, paired with a three-link metal bracelet, and a buckle engraved with the Seiko 5 logo. The glossy black dial features luminous baton hour markers, luminous hour and minute hands, a red seconds hand, and a dual calendar window at 3 o'clock displaying the day and date simultaneously.