Case: 47 mm Brushed Stainless Steel Caliber: Exhibition Back with Sapphire Glass Functions: Hours, Minutes, Subsidiary Seconds, Day and Date Chronograph: Hours, Minutes and Central Seconds 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: Blue with White Luminous Numerals Hands: White Cathedral with White Luminous Strap: 22 mm Brushed Stainless Steel