Seiko Sports 100m Caliber: 7S26 Bidirectional bezel. Water resistant to 10 bars. Quick day & date change. Luminous hands and indexes. Screw in crown. Folded type links on bracelet. Bezel diameter: 40mm Case width including crown 43mm Case thickness: 12mm lugs: 22mm *Price includes shipping worldwide 31-5A5148-E2