Model: GC10851 PARISCaliber: Automatic ETA 2893-2A, Incabloc, Glucydur Balance, Nivarox Alloy HairspringFunction: Hours, Minutes, Sweep Seconds, Date, GMT / Second Time Zone and World TimeCase: 47mm Polished Stainless Steel, Exhibition Back with Sapphire GlassCrown: 9mm Knurled, Double O-Ring SealedCrystal: Domed Sapphire Glass with Anti-Reflective Treatment on the Lower SideWater Resistant: 5 Atmospheres, 50m/165ft.Dial: Black w/White Luminous Applied Markers. Inner Bezel Ring: Bi-directional Rotating with List of Major Cities of the World.Strap: Handmade Classic Alligator (22-20R-A.010)