I am selling an item I purchased today at 3COINS for ¥700 because it doesn't fit my smart watch. Compatible models: 2513/GWH-01 2421/GWH-01 2413/GWH-01 2314/GWH-01 The band width at the attachment point is 22mm, as measured. It's a gray faux leather band with a metal buckle, and an instruction manual is included. - Type: Faux leather band - Color: Gray - Size: Standard size - Buckle material: Metal - Installation method: With instruction manual Thank you for looking. Color: Gray