Building on over 250 years of watchmaking experience, Swiss manufacture Arnold & Son has released its new Time Pyramid Guilloché, an homage to Englishman John Arnold’s skeleton regulator clocks of the late 1700s. The timepiece is a contemporary reflection of the detailed precision for which Arnold became renowned, having made the first instrument to be dubbed a chronometer and the smallest repeating watch in history, which he gifted to King George III.

As the name implies, the watch is an aesthetically …