Model: GC20219Caliber: Automatic ETA 2836-2, Incabloc, Glucydur Balance, Nivarox Alloy HairspringFunction: Hours, Minutes, Sweep Seconds, Day and DateCase: 40mm Polished Stainless Steel, Exhibition Back with Sapphire GlassCrown: Knurled, Double O-Ring SealedCrystal: Domed Sapphire Glass with Anti-Reflective Treatment on the Lower SideWater Resistant: 5 Atmospheres, 50m/165ft.Dial: Yellow w/Black NumeralsStrap: Handmade Classic Alligator (20-18R-A.017)