Seiko

Movement Caliber Number 4R35 Movement Type Automatic with manual winding Power reserve Approx. 41 hours Jewels 23 Functions Stop second hand function Date display Case/Band Case Material Stainless steel Case Size Thickness:11.8mm Diameter:41.2mm Lug-to-lug:48.5mm Crystal Hardlex Clasp Three-fold clasp with push button release Distance between lugs 20mm Other Details Water Resistance 10 bar Weight 130.0g Features See-through & Screw case back