Item Name : 20/26mm SEIKO SNAA03 BLACK Calf Band, seiko replacement, watch strap replacement, black strap watch, leather watch strap Size: 20/26mm / Asymmetrical lug Length: 182-127mm & Thickness: 3-7mm Reference Band No. : CLAF-B 20 (35E0-G.I ) Color: BLACK Rubber Reference Seiko Model : Alarm Chronograph SNAA03