SEIKO 5 FIELD STYLE GMT SSK023K1

Specifications Movement Caliber Number 4R34 Movement Type Automatic with manual winding Power reserve Approx. 41 hours Jewels 24 Functions Case/Band Case Size Thickness:13.6mm Diameter:39.4mm Lug-to-lug:47.9mm Crystal Curved Hardlex LumiBrite Lumibrite on hands and index(es) Distance between lugs 20mm Other Details Water Resistance 10 bar Magnetic Resistance 4,800 A/m Weight 147.0g Features See-through & Screw case back