It is running, but I don't know the details of its operation, such as time differences. Please consider it as is. Returns are not accepted to prevent swapping. Please understand that it is 3N (no claims, no returns, no cancellation). Seiko Actus automatic watch with a silver dial, featuring 21 jewels. - Brand: Seiko - Model Name: Actus - Function: Automatic winding - Material: Stainless steel - Dial Color: Silver - Date Display: Yes - Day Display: Yes - Number of Jewels: 21 jewels Thank you for viewing.