Seiko Ladies Dress 50 metres Specifications Movement Caliber Number V137 Movement Type Solar Precision ±15 seconds per month Power reserve Operating for approx. 6 months (when fully charged) Functions Overcharge prevention function Date display Case/Band Case Material Stainless steel Case Size Thickness:8.0mm Diameter:27.6mm Lug-to-lug:33.2mm Crystal Sapphire crystal LumiBrite Lumibrite on hands and index(es) Clasp Three-fold clasp with push button release Distance between lugs 6 Other Details Water Resistance 5 bar Weight 59.0