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: Day-Date, Solar Powered High quality 19 cm length and 16 mm width Black Leather strap with a Buckle Case diameter: 30 mm,case thickness: 9 mm, case colour: Silver and dial colour: White Water resistant: 10 bars -Weight: 34 g The watch is delivered in an original gift box and has a warranty of 2 years