It's working, but the overhaul history is unknown. The hack function can change the date, but changing the day of the week is difficult. For those interested, thank you. A CITIZEN LEOPARD SUPER BEAT 8 wristwatch with a silver dial and automatic winding function. - Brand: CITIZEN - Model Name: LEOPARD SUPER BEAT 8 - Water Resistance: PARAWATER - Jewels: 21 Jewels - Model Number: 4-770102 Y Thank you for viewing. *Please note that no returns or exchanges are accepted to prevent any issues. *Feel free to comment. Dial Color: Silver Belt Color: Silver Accessories: None