414.028 A Lange and Sohne. This watch has 18K white gold case which is mounted onto a black alligator leather strap, fixed bezel. The black dial with Arabic numerals and silver-toned gold and steel hands features central hours, minutes and chronograph seconds, small seconds with stop seconds, 30-minute counter, and pulsometer scale, with which heart rates can be determined. Shock-resistant balance with eccentric poising weights, sapphire crystal. Case back is transparent. Manual movement. The watch is powered by the Lange manufacture calibre L951.5 that has a power reserve of 60 hours. This model is water-resistant up to 30m/100ft .414.028 A Lange and Sohne 18K White Gold Watch.