Case: 47 mm Polished Stainless Steel, Exhibition Back with Sapphire Glass Caliber: Automatic ETA 2893-2A, Incabloc, Glucydur Balance, Nivarox Alloy Hairspring Functions: Hours, Minutes, Sweep Seconds, Date, GMT / Second Time Zone and World Time Crown: 9 mm Knurled, Double O-Ring Sealed Crystal: Domed Sapphire Glass with Anti-Reflective Treatment on the Lower Side Water Resistant: 5 Atmospheres, 50 m/165 ft 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