Billionaire Double Tourbillon

Billionaire Double Tourbillon, reference BL140.30.BD.AA.A30BD, is a 2026 Jacob & Co. Billionaire release with a 54 mm 18K white gold invisibly set with emerald-cut and rose-cut white diamonds case, 18K white-gold dial invisibly set with 169 emerald-cut diamonds, blue proprietary skeleton hands, and…

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