Seiko 5 Sports Caliber 7S36B (23 jewels) Unidirection stainless steel anodized bezel. Flat Hardlex glass. Water resistance 10 Bars See thru crystal caseback With 22mm Seiko stainless steel bracelet Bezel diameter: 41mm Case width including crown: 47mm Case thickness: 13mm 31-10516612-W2