Citizen watch eco drive titanium wr100 mens ca4240 58a citizen combines a bold and sporty look with light weight super titanium creating a timepiece that is not only great looking but comfortable to wear created from citizens proprietary super titanium technology with a surface hardening finish called duratect the ti ip timepiece is 40 lighter than stainless steel and 5 times harder to resist scratches perfect for the man on the go featured here with super titanium case and bracelet white