The Quintessential Quintuplets Ichika Nakano Model Limited Edition 500 Sun & Moon Wristwatch - Black 500\25 As you can see in the photos, there is a slight stain on the back. A black model automatic watch with sun & moon function and 1/10 second accuracy. - Model: Black Model - Function: Sun & Moon function - Accuracy: 1/10 second chronograph Thank you for viewing. Black Model Automatic Watch Sun & Moon Function Returns not accepted.