Some 250 years ago, John Arnold became the favored watchmaker of the British royal court when he presented King George II with a ring less than 1 inch in diameter that kept time and also functioned as a minute repeater. This machine, along with the other timepieces that Arnold produced for members of the court, inspires the Arnold and Son Royal Collection, which saw its most recent addition with the debut of the Arnold and Son TEC1 tourbillon.
Just the third tourbillon watch to be released by the brand, the $…