217.64.40, Reverso Tourbillon, Platinum 5004J the first production Perpetual Calendar

the first production Perpetual Calendar Split Seconds Chronograph

just 5 references have taken the throne

its original Gay Frères ladder bracelet

printed slightly off-center

a novel mechanism for simultaneous advancement of the local time display and the city disk

217.64.40, Reverso Tourbillon, Platinum 5004J the first production Perpetual CalendarThe Reverso Tourbillon Number Two was limited to only 500 examples, just the second Reverso Tourbillon model from Jaeger LeCoultre. Its 18k white gold calibre 848 brought finer materials and finishing while maintaining design references to the brand's first pocket watch tourbillon, the calibre 170. It seamlessly blends JLC's most enduring model with its heritage in high complication movement manufacture. The culmination of over 70 years of design, its