Go green with this solar powered watch recharges itself in any kind of light,this solar watch does not require any battery replacement. The watch has a calendar function: day-date, solar powered. Features: Date Function, Quick Ship Jewelry Closure: Fold Over Clasp Power Source: Ecodrive Water Resistance: 100m Band Color: Silver Tone Dial Color: White Metal Color: Silver Tone Case Width: 42mm Watch Band Length: 8 1/2 Inch Band Content: Stainless Steel Case Materials: 100% Stainless Steel Care: Wipe Clean Band Type: Metal Link Country of Origin: Imported Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.