seiko Watchmaking 110th Anniversary Limited Editions SSK015J1 Presage Style60's Movement Caliber Number 4R34 Movement Type Automatic with manual winding Power reserve Approx. 41 hours Jewels 24 Functions 24-hour hand (dual time display function) Stop seconds hand function Case/Band Case Material Stainless steel Case Size Thickness:13.0mm Diameter:40.8mm Lug-to-lug:47.0mm Crystal Box-shaped Hardlex LumiBrite on hands and index(es) Band Material Calfskin Distance between lugs 20 Other Details Water Resistance 5 bar Magnetic Resistance 4,800 A/m Weight 74.0g Features LIMITED EDITION on the case back See-through & Screw case back