Item Number EM1113-82Y Caliber No. E031 power Photovoltaic eco-drive accuracy ±15 seconds/month duration Photovoltaic power generation approximately 6 months weight 58g Thickness 7.0mm case size Width 29.8mm case material stainless Case surface treatment Plating (warm gold color) Band material/type Stainless steel double push double door type band adjustable size 130～182mm glass Spherical sapphire glass Waterproof performance 5 ATM water resistant Design features Dial parts: Partially recycled material White pearl shell Dial dial: 7 points with diamonds Case: 3 points with diamonds function Charging warning function Overcharging prevention function Quick start function Operates for about 6 months when fully charged 2024.02.release