Seiko Essentials Green Dial

Movement Caliber Number 8T63,  Movement Type Quartz Precision ±15 seconds per month, Battery life Approx. 3 years,  Functions 24-hour hand Equipped with small seconds hand Chronograph up to 60 minutes in 1/5 second increments Date display Case/Band Case Material Stainless steel Case Size Thickness:12.6mm Diameter:38.7mmLug-to-lug:45.1mm Crystal Box-shaped Hardlex LumiBrite LumiBrite on hands and index(es) Clasp Three-fold clasp with push button release Distance between lugs 20 Other Details Water Resistance 5 bar Magnetic Resistance 4,800 A/m Weight 110.0g Features Tachymeter function Screw case back