Actor Robert Downey Jr spotted wearing a De Bethune

Robert Downey Jr was recently photographed wearing the De Bethune DB28TRS8ZN — a watch that sits at the very apex of independent Swiss horology. The pairing of 5N red gold and black zirconium gives the 43 mm case a dramatic, almost architectural contrast, and on Downey Jr's wrist it reads exactly as intended: quietly extraordinary to those who know, invisible to those who don't.

The DB28 Tourbillon reference DB28TRS8ZN is built around one of De Bethune's most celebrated complications. The 30-second silicon tourbillon — patented and manufactured entirely in-house in the brand's L'Auberson workshop — rotates on a 30-second cycle instead of the conventional 60 seconds, theoretically doubling its compensation for gravitational disturbance. Silicon is used extensively throughout the escapement for its low mass, non-magnetic properties, and freedom from lubrication. The movement, calibre DB2019, beats at 28,800 vph and delivers approximately 6 days of power reserve through a twin mainspring barrel system. The signature De Bethune spherical moon phase on the caseback — accurate to one day's error in 122 years — remains one of finishing details enthusiasts specifically seek out.

For collectors, the DB28 lineage represents De Bethune at its most coherent: the case architecture, the floating lugs that flex to conform to any wrist geometry, and the grand feu enamel or meteorite dials are not styling exercises but solutions to real ergonomic and horological problems. The zirconium treatment — a ceramic-like refractory material — adds structural hardness while keeping weight dramatically low, reinforcing De Bethune's obsession with lightweight construction. References in this specific material combination are produced in very limited numbers, feeding consistent secondary market demand.

Robert Downey Jr has long favoured technically serious, artisan-made watches over obvious status signifiers. His history of wearing independent brands — from Richard Mille to F.P. Journe — signals genuine engagement with watchmaking rather than brand management. The DB28TRS8ZN fits that pattern precisely: it is not a watch that announces itself, yet it represents perhaps $150,000 or more of hand-finished mechanical engineering.

On the grey market, DB28 Tourbillon references in precious metal and exotic materials trade at a meaningful premium over retail, driven by the brand's strict production limits and growing international collector base. De Bethune has no authorised retail network in the conventional sense, making acquisition a matter of direct relationship with the manufacture — which only amplifies demand.