SEIKO CROCO GR. ONE PIECE LEATHER 8mm WATCH BAND, STRAP Calfskin: SEIKO CALF-Z 8 Length : 215mm Thickness : 3.5mm - 3.1mm Color : GREY CROCO GRAIN Buckle : 16mm STAINLESS STEEL Lug-to-Lug Distance requirement : 27~28mm Lug Width : 8mm Strap Pad Width : 16mm