Seiko 5 Sports Blue Dial 39.4 MM Nylon Strap Automatic Watch - SRPH31K1

Movement

Caliber Number: 4R36

Movement Type: Automatic with manual winding

Duration: Approx. 41 hours

Exterior

Case Material: Stainless steel

Crystal: Curved Hardlex

LumiBrite: LumiBrite on hands and index(es)

Band Material: Nylon

Water Resistance: 10 bar

Case Size

Thickness: 13.2 ㎜

Diameter: 39.4 ㎜

Length: 48.1 ㎜

Other specifications

Screw case back

See-through case back

24 jewels

Day/Date display