This 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 quality 21 cm length and 21 mm width Silver Stainless steel strap with a Fold over with push button clasp Case diameter: 41 mmcase thickness: 9 mm case colour: Silver and dial colour: White Water resistant: 5 bars -Weight: 140 g The watch is delivered in an original gift box and has a warranty of 2 years Target gender: male; Band size: Mens Standard; Band width: 21.0; Case diameter: 41.0 millimeters; Dial window material type: Saphirre glass; Display type: Analog; Item shape: Round; Water resistance depth: 50.0 meters; Clasp type: Push Button Deployment Clasp