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 High quality 21 cm length and 20 mm width Silver Stainless steel strap with a Fold over with push button clasp Case diameter: 40 mm,case thickness: 9 mm, case colour: Silver and dial colour: Black Water resistant: 3 bars -Weight: 115 g The watch is delivered in an original gift box and has a warranty of 2 years. This Citizen Analogue Watch for Men is the perfect timepiece to wear or to gift. It's Silver 40 mm Round case combined with the comfortable Silver Stainless steel watch band will ensure you enjoy this stunning timepiece without any compromise. Operated by a high quality Eco-Drive movement and water resistant to 3 bars, your watch will keep ticking.