EW5597-63L Detailed Specifications Caliber No. B035 Powered by light (Eco-Drive) Accuracy: ±15 seconds per month Operating time: 7 months when fully charged (in power save mode) Weight: 43g Thickness: 7.5mm Case size: 21.5mm (width) Case material: Stainless steel Case surface treatment: Plating (gray color) Band material/type: Stainless steel Free type Includes an alternative band made of synthetic leather (ECOPET®) Band width: 16.0mm Adjustable band size: 130～181mm Glass: Curved cut sapphire glass Water resistance: 5 bar (50 meters) Design features: Dial with 1 diamond Thank you for viewing.