Seiko 5 Sports x Mechanical ft. Retro Vintage Men Casual Formal Round Water Resistant Watch SNKK87K1 SNKK87 SNKK-87 SNKK-87K1

Caliber Number / Movement
7S26 (automatic)

Power Reserve / Accuracy
Approximately 41 hours (-20 to 49 seconds per day)

Crystal
Hardlex crystal

LumiBrite
Lumibrite on hands and indexes

Case & Band Material
Stainless steel case with metal band (three-fold clasp with push-button release)

Water Resistance
Water resistant

Case Size
Thickness: 10.8 mm
Diameter: 38.3 mm
Length: 43.0 mm

Other Specifications
Seiko 5 Sports x Mechanical ft. Retro Vintage
See-through back case
Screw case back
21 jewels
Day and date display
Regular timekeeping (analog display)