SOLAR watch movement (solar) case diameter (39mm) case thickness (13.3mm) case type (stainless steel) band type (stainless steel) glass type (sapphire crystal) water resistance (100m) Additional details luminous date six month power reserve (when fully charged) 24 hours hand chronograph up to 60 minutes power reserve indicator Includes - 3-year international warranty against manufacturing defects from the date of purchase - Box Watch Size: 40mm Features: Water Resistant Movement Type: Solar Material: Stainless Steel Brand: Seiko