Constant Force Tourbillon 11 Platinum

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 alligator-leather strap with platinum folding buckle, and the manual…

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