The movement inside this watch like the other variants in the line is the Rado Caliber
link 763 a modified version of the ETA C07 which boasts 80 hours of power reserve. On the wrist this
link 42mm bronze diver wears larger
link than its size suggests partly due to the the NATO strap as noted. It also appears larger. Red pops and in turn makes the watch seem larger than it is.