Ct scuderia watch scrambler chronograph cs70101as with all ct scuderia watches the straps are interchangeable and the cases come with brand characteristic 12 o clock screw down crowns intrinsic to the stopwatches that timed the very first cafe races the four piece case construction lends a pared down durable look and has lumi bright night vision numerals all pieces in the collection come with a 12 hour quartz movement with chronograph functionality an essential element for any racing wat