Case: 47 mm Polished Stainless Steel, Exhibition Back with Sapphire Glass Caliber: Automatic ETA 2836-2, Incabloc, Glucydur Balance, Nivarox Alloy Hairspring Functions: Hours, Minutes, Subsidiary Seconds, Day and Date Crown: 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/Black Minute Track, White Luminous Applied Markers Strap: Handmade Classic Alligator