Product Description Movement Calibre Number V176 Movement Type Solar Accuracy ±15 seconds per month Duration Operating for approx. 6 months (when fully charged) Exterior Case Material Stainless steel (hard coating) Crystal Hardlex LumiBrite Lumibrite on hands and indexs Clasp Three-fold clasp with push button release Other Details Water Resistance 10 bar Case Size Thickness: 12.2 ㎜Diameter: 43.2 ㎜ Other Specifications Screw case back Other Features Chronograph up to 60 minutes in 1/20 second increments Date display Overcharge prevention function Stop seconds hand function