Seiko - Swr100P1

Movement Caliber Number 4N30 Movement Type Quartz Precision ±15 seconds per month Battery life Approx. 3 years Case/Band Case Material Stainless steel Case Size Thickness:7.2mm Diameter:22.2mm Lug-to-lug:33.1mm Crystal Hardlex Band Material Cow leather Distance between lugs 16 Other Details Water Resistance 5 bar Weight 23.0