"Mathematics Dial" Theme Quartz Watch ........has a large unisex size round 42mm polished chrome case with a stainless steel mesh band.  The band has an adjustable fold over clasp and measures 8" long.  The 3 hand quartz movement is by Miyota with a black dial that shows a "pop quiz math equation" at each hour indicator.  Comes in a nice gift box and a perfect gift for a physics or math enthusiast.