This watch features a 40 mm diameter Oystersteel monobloc case construction with screw-down case back and winding crown. The white dial with its central sweep seconds hand allows an accurate reading of 1/8 second, while the two counters on the dial display the lapsed time in hours and minutes. The bezel has an engraved tachymetric scale and is crafted in black Cerachrom, this material is a technologically advanced ceramic that is corrosion resistant, virtually scratch-proof and the colour is resistant to fading by harsh UV rays. Complimented by a oyster, flat three pieced link bracelet in Oystersteel and secured with a folding Oysterlock safety clasp. The power behind the 116500LN-0001 is the calibre 4130. Perpetual, mechanical chronograph, self-winding movement with an approximate power reserve of 72 hours and water resistance up to 100 m / 330 Feet.