VIEW CLOSE UP | VIEW AT NIGHT | A large, clean dial that is simplicity itself to read. The GX70 offers a sports chronograph function for precision timing. The GTLS lamps are mounted flat for maximum dial illumination. 45mmX13.25mm Diameter Solid Stainless Steel Case, Bezel, and Crown, Domed Sapphire Crystal (with triple anti-reflective coating), Black Dial, 200M Water Resistance (screw-down crown with double o-ring seal), GTLS Illumination-16 Individually Hand Positioned Light Sources, Screw-in Stainless Steel Back Plate, Solid Brushed Stainless Steel Bracelet, 4 year Silver Oxide Battery, Ronda 5040.D Movement (Swiss Made - Swiss Parts - Chronograph) , 2 Year Warranty, Light Source 10 Year Warranty.