Citizen Gradient NOS 6501 31100181 (Ref. 4-651651-K) (36mm; Automatic)
| Reference | 4-651651-K |
| Brand | Citizen, Japan |
| Case Size | 36mm |
| Movement | Automatic |
| Gender | Unisex |
| Watch Type | Dress / Formal / Office Everyday / Casual Integrated Bracelet Calendar |
| Caseback | Original |
| Crystal | Replaced |
| Crown | Original |
| Dial | Original |
| Hands | Original |
| Strap | Original |
| Pin / Buckle | Original |