Genuine Seiko 20mm Replacement Black Divers Watch StrapModel: 4HX0JBEnd Size: 20mmStrap Material: Rubber DiversBuckle Material & Colour: Metal / ChromeShoulder Size: 24mmUnit Quantity: One (1) PieceFits Seiko Monster Models SKX779 SKX781
Item# : SPM10006812102
Model # : 4HX0JB