Model: GC10522Caliber: Automatic ETA 2893-2A, Incabloc, Glucydur Balance, Nivarox Alloy HairspringFunctions: Hours, Minutes, Subsidiary Seconds, Date and GMT for Second Time ZoneCase: 47mm Brushed Stainless Steel. Bezel: Unidirectionally Rotating with Measurement of Second Time Zone. Exhibition Back with Sapphire Glass.Crown: 9mm Knurled and Screw DownCrystal: Flat Sapphire Glass with Anti-Reflective Treatment on the Lower SideWater Resistant: 20 Atmospheres, 200m/660ft.Dial: White w/Applied Steel Luminous MarkersStrap: Handmade Aviator Alligator (22-22AV-A.012)