Inspired by the patiently formed layers of earth's crust, the special edition timepiece represents the unique embodiment of citizen's watchmaking – using over a century of experience to pair meticulous design with incredible functionality. Grey ion-plated stainless steel 29. 5mm case, dark grey dial with touches of color scratch-resistant sapphire crystal, silver-tone hands and silver-tone and diamond accent markers citizen's eco-drive technology that’s sustainably powered by any light and never needs a battery grey ion-plated stainless steel bracelet; deployment clasp water resistant up to 50 meters we are an authorized citizen dealer