With the commander gradient swiss watch, watchmaking mechanics become visible thanks to a transparent acrylic dial — a first in this iconic collection. 40mm stainless steel case with black pvd coating gradient smoky black dial with date window and superluminova® hands and indexes sapphire crystal see-through case back caliber 80 movement; power reserve up to 80 hours stainless steel bracelet with black pvd coating; folding clasp 50-meter water resistance