Jacob & Co. Mystery Tourbillon Rainbow Rose Gold (2026)

Case is 50mm with a thickness of 25mm, 18k rose gold, invisibly set with 192 hexagon-cut white diamonds weighing approximately 12.41ct, sapphire crystal front and back, and water resistant to 30m. Dial is built around two back-to-back triple-axis flying tourbillons at the centre, surrounded by rotating hour and minute rings set with 359 multicoloured sapphires in graduated rainbow tones, with two contrasting diamonds indicating the time and additional baguette-cut sapphires extending onto the clasp. Movement is calibre JCAM32, manual winding, 21,600vph, with 430 components, twin triple-axis flying tourbillons linked through a differential, each rotating across three axes in 60, 120 and 120 seconds, with the hours and minutes displayed through rotating gem-set rings rather than conventional hands. Power reserve is 50hrs. Unique piece Priced at USD 1,760,000.