This Seiko quartz watch is powered by the 4N30 movement, offering ±15 seconds per month precision and an approximate 3-year battery life. Built with a stainless steel case, sapphire crystal, cow leather band, magnetic resistance, and 5 bar water resistance, it delivers elegant everyday reliability in a refined 27.2 mm case size. SKU: SWR103 Case & Exterior Case Material Stainless steel Case Thickness 6.4 mm Case Diameter 27.2 mm Lug-to-Lug 39.0 mm Crystal Sapphire crystal Band Material Cow leather Distance Between Lugs 22 mm Weight 31.0 g Movement & Features Caliber Number 4N30 Movement Type Quartz Precision ±15 seconds per month Battery Life Approx. 3 years Water Resistance 5 bar Magnetic Resistance 4,800 A/m