Seiko 5 Sports
Caliber 7S36B (23 jewels)
Uni-direction bezel.
Flat Hardlex crystal glass.
Water resistance 10 Bars
See thru s-steel crystal caseback
With 20mm black NATO strap.
Bezel diameter: 39mm
Case width including crown: 43mm
Case thickness: 13mm
 
31-20141827-T2