Seiko 5 Sports SRPJ81K1 In the Metal Midfield Sports Style Automatic Stainless Steel Watch for Men

Calibre Number 4R36
Automatic with manual winding
Power reserve Approx. 41 hours
Jewels 24
Functions
Stop seconds hand function
Day/Date display
Case Material
Stainless steel
Case Size
Thickness:12.5mm
Diameter:36.4mm
Lug-to-lug:44.4mm
Curved Hardlex
LumiBrite on hands and index(es)
Three-fold clasp with push button release
Distance between lugs 18
Water Resistance 10 bar
Weight 114.0
Features
Three-fold clasp with secure lock
See-through & Screw case back