This high quality watch has an Eco-drive technology (Recharged by any light source; no need for ever a battery) -The watch has a calendar function: Date, Solar Powered, Luminous Hands, Luminous Numbers High quality 21 cm length and 20 mm width Multicolour Stainless steel strap with a Fold over with push button clasp Case diameter: 41 mm,case thickness: 10 mm, case colour: Multicolour and dial colour: Black Water resistant: 10 bars -Weight: 138 g The watch is delivered in an original gift box and has a warranty of 2 years