Nixon - Sentry Solar Leather GunmetalDesign A Nixon classic, weve updated our best model for the future. Sentry Solar features a semi transparent dial to allow this watch to absorb light for power with an enhanced sunray finish and a framed date windowits the little things that make a big difference. The size of the case has been reduced ever so slightly to make this more functional and just as fashionable. Durability Custom, solid, stainless steel case and caseback pressure tested with