20mm Green Rubber Silicone Strap Band fits OMEGA SeaMaster Watch Clasp/Buckle
20mm x 18mm. EXAMPLE: 20mm x 18mm. 20mm - at lug. 18mm - clasp size. STRAP MADE OF BEST QUALITY RUBBER/SILICONE. PERFECTLY FITS YOUR WATCH IF CHOOSE. Strap Color Strap Length.