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Lot Essay
Please note that the additional strap shown in the accessory image is for display purposes only and is not for sale. Upon sale, the additional strap will not be supplied to the buyer.
The Rudis Sylva Harmonious Oscillator RS12 stands as a remarkable demonstration of independent Swiss horology at its most inventive. Unveiled by the Jura-based atelier Rudis Sylva, the RS12 embodies both traditional craftsmanship and radical mechanical innovation, most notably through its Harmonious Oscillator — a groundbreaking regulating system that unites two balance wheels connected by a differential.
Unlike a conventional tourbillon, which averages out positional errors through rotation, Rudis Sylva’s mechanism directly couples two balances with two-toothed escapement wheels that oscillate in opposite directions. This intricate synchronization instantaneously compensates for gravitational errors, achieving exceptional chronometric stability. The result is a mesmerizing visual ballet of mirrored motion, visible beneath a sculptural openworked dial framed by hand-engraved bridges and finishing of the highest artisanal standard.
The Ultima Forsan RS12 was a proud entrant in the Grand Prix d’Horlogerie de Genève (GPHG), underscoring its recognition among haute horlogerie’s elite creations. Beyond technical audacity, the timepiece reflects the philosophical spirit of Rudis Sylva — rooted in the Latin motto “Ultima Forsan” (“Perhaps the last hour”) — a meditation on time’s fragility and the enduring human pursuit of mechanical perfection.
The Rudis Sylva Harmonious Oscillator RS12 stands as a remarkable demonstration of independent Swiss horology at its most inventive. Unveiled by the Jura-based atelier Rudis Sylva, the RS12 embodies both traditional craftsmanship and radical mechanical innovation, most notably through its Harmonious Oscillator — a groundbreaking regulating system that unites two balance wheels connected by a differential.
Unlike a conventional tourbillon, which averages out positional errors through rotation, Rudis Sylva’s mechanism directly couples two balances with two-toothed escapement wheels that oscillate in opposite directions. This intricate synchronization instantaneously compensates for gravitational errors, achieving exceptional chronometric stability. The result is a mesmerizing visual ballet of mirrored motion, visible beneath a sculptural openworked dial framed by hand-engraved bridges and finishing of the highest artisanal standard.
The Ultima Forsan RS12 was a proud entrant in the Grand Prix d’Horlogerie de Genève (GPHG), underscoring its recognition among haute horlogerie’s elite creations. Beyond technical audacity, the timepiece reflects the philosophical spirit of Rudis Sylva — rooted in the Latin motto “Ultima Forsan” (“Perhaps the last hour”) — a meditation on time’s fragility and the enduring human pursuit of mechanical perfection.