Movement Caliber Number: V157 Movement Type: Solar Precision: ±15 seconds per month Power reserve: Operating for approx. 10 months (when fully charged) Functions: Overcharge prevention function Quick-start function Date display Case Material: Stainless steel(hard coating) and plastic Case Size Thickness: 12.6mm Diameter: 46.7mm Lug-to-lug: 45.8mm Crystal: Hardlex LumiBrite: Lumibrite on hands and index(es) Band Material: Silicone Distance between lugs: 22mm
