Produced 2025. Constant Force Tourbillon 11 Platinum, reference 1FCBX.Z01A.C0232X, is a 2025 Arnold & Son release with a 41.5 mm platinum (Pt950) case, hand-engraved yellow-gold fern-pattern dial with white-opal subdial, midnight-blue…
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Specifications, configurations, image gallery, market listings, lineage and notable appearances are part of the full reference.