Double Tourbillon White Gold

The Arnold & Son World Time Double Tourbillon White Gold, reference 1DTAW.Z07A.C291W, is a rare one unique piece featuring a twin-time architecture with two independent gear trains and two crowns. It displays local hours and minutes on a Roman numeral dial, alongside an independent reference time (hours and minutes) on an Arabic numeral dial. Housed in a 43.5 mm 18K white gold case with a domed anti-reflective sapphire crystal and sapphire caseback, it is water resistant to 3 bar (30 m). The dial combines Baltic amber with white opal subdials, framed by 18-carat white gold tourbillon bridges.

Powering the watch is the Arnold & Son calibre A&S8513, operating at 3 Hz (21,600 vph) with a 90-hour power reserve, sized at 37.30 mm in diameter and 8.35 mm thick, and set with 42 jewels. The watch is fitted to a jungle-green alligator strap with papaya-yellow alligator lining, secured by an 18K white gold folding clasp. This example is pre-owned in mint condition, supplied complete with box, papers, and warranty.