Seiko 5 Sports Caliber 7S36B (23 jewels) Black dial with red sec hand Unidirection stainless steel bezel. Flat Hardlex glass. Water resistance 10 Bars See thru crystal caseback With 22mm NATO strap. Made in Japan. Lugs width: 22mm Bezel diameter: 41mm Case width including crown: 45mm Case thickness: 13mm 31-9A5139-T2