Specifications Calibre Calibre no. 5K65 Movement Type Solar Accuracy ±15 seconds per month Case Case Material Stainless steel Clasp Three-fold clasp with secure lock , push button release with extender LumiBrite LumiBrite on hands, index(es) and bezel Crystal Sapphire crystal Band/Bracelet Length: 200mm Other Specifications Crystal Coating: Anti-reflective coating on inner surfaceLayout Water Resistance 200m / 660ft diver's Other Specifications Jewels: 3 Overcharge prevention function Quick-start function 24-hour hand Date display Magnetic Reluctance 4,800 A/m Case Size Thickness: 13.2mm Diameter: 45.0mm Lug-to-lug: 51.8mm Features Other Features Unidirectional rotating bezel Screw-down crown Three-fold clasp with secure lock Screw case back