Arnold & Son unveils a new reference of its iconic Time Pyramid featuring the hand-finished A&S1615 calibre treated in NAC grey, housed in a stainless steel case. The A&S1615 movement with unique skeletonised pyramid-shaped architecture, was conceived, designed and developed in-house. The movement A&S1615 seemingly floats between two sapphire crystals, the Time Pyramid is a masterful rendition of technical prowess and unparalleled elegance. This superbly engineered wristwatch is part of the brand's Instrument Collection that combines instrument precision with classical styling.