The Arabic numerals are surrounded by a moment scale and a ¼-next scale to the flange that enables specific readings about the central chronograph seconds hand. IWC’s manufacture Caliber 69355 beats In the stainless steel situation, its integrated chronograph capabilities managed by a column wheel and Outfitted using a flyback https://www.jowissa.com/en-ch/pages/instruction-manuals/manual-for-le-wy-chronograph