Seiko Presage Automatic 40mm SPB525J1

Movement Caliber Number 6R55 Movement Type Automatic with manual winding Precision +25 to -15 seconds per day Power reserve Approx. 72 hours(3 days) Jewels 24 Functions Stop second hand function Case/Band Case Material Stainless steel (super hard coating) Case Size Thickness:13.0mm Diameter:40.2mm Lug-to-lug:46.0mm Crystal Dual-curved sapphire crystal Crystal Coating Anti-reflective coating on inner surface Clasp Deployment clasp with push button release Distance between lugs 20 Other Details Water Resistance 10 bar Magnetic Resistance 4,800 A/m Features See-through & Screw case back