This watch has a screw down crown it's the best choice for your relatives and friends and will give you a unique look - This Multi Dial watch has a calendar function: Day-Date, 24 hour display, Luminous Hand High quality 21 cm length and 22 mm width Blue Rubber strap with a Buckle Case diameter: 45 mm,case thickness: 12 mm, case colour: Silver and dial colour: Grey Water resistant: 10 bars-Weight: 115 g The watch is delivered in an original gift box and has a warranty of 2 years