Item Number EW5600-87D Caliber No. B035 power Photovoltaic eco-drive accuracy ±15 seconds/month duration Approximately 7 months of photovoltaic power generation Thickness 7.5mm case size Width 21.5mm case material stainless Band material/type Stainless steel double push double door type Bandwidth 16.0mm band adjustable size 130～180mm glass curved sapphire glass Waterproof performance 5 ATM water resistant Design features Dial parts: Partially recycled white pearl shell dial function Charging warning function Overcharging prevention function Operates for approximately 7 months when fully charged 2024.02.release