Seiko 5 Sports
Caliber 7S36B (23 jewels)
Blue dial with flat Hardlex glass.
Water resistance 10 Bars
See thru crystal case back
With 22mm blue nylon washable strap
Weight (with strap): 81 gm
Strap width at lugs: 22mm
Bezel diameter: 42mm
Case width including crown: 45mm
Case thickness: 12mm
 
31-22921140-T2