ECO-DRIVE - Eco-Drive is a 40-year-old core technology from CITIZEN that generates power even in dim light, allowing watches to run for over six months even in the dark. This Analogue watch has a calendar function: Day-Date , Solar Powered , Luminous Hands and Luminous Numbers High quality 21 cm length and 24 mm width Rose Gold Stainless steel strap with a Fold over with push button clasp Case diameter: 40 mm,case thickness: 10 mm, case colour: Silver and dial colour: Green Water resistant: 10 bars-Weight: 88 g The watch is delivered in an original gift box and has a warranty of 2 years