Specifications Movement Caliber Number V192 Movement Type Solar Precision ±15 seconds per month Functions Display function of resuming electric power generation. Overcharge prevention function 24-hour hand Equipped with small seconds hand Chronograph up to 60 minutes in 1/5 second increments Date display Case/Band Case Material Stainless steel Case Size Thickness:13.0mm Diameter:41.4mm Lug-to-lug:45.9mm Crystal Curved sapphire crystal Crystal Coating Anti-reflective coating on inner surface LumiBrite Lumibrite on hands and index(es) Clasp Three-fold clasp with push button release Bracelet Length 197.0 Distance between lugs 21 Other Details Water Resistance 10 bar Magnetic Resistance 4,800 A/m Weight 164.0 Features Tachymeter function Screw case back