Master Ultra Thin Tourbillon Something Blue and a screw-down case back

and a screw-down case back that reveal the beautifully finished Caliber 9R66 in action

produced and assembled at the Manufacture offers 70 hours of power reserve - an undeniable asset for a sports watch

whose monopusher triggers start/stop/reset

and on the verso

which has benefited from several technical improvements and offers 70 hours of power

Master Ultra Thin Tourbillon Something Blue and a screw-down case backBorn from a watchmaking tradition appreciated by the elegant man, the Master Ultra Thin collection unites the qualities of Jaeger LeCoultre's expertise. Classicism. Reliability. Performance. In a beautiful case (40 mm), illustrious in its rounded form and finesse (11. 3 mm), the Master Ultra Thin Tourbillon in pink gold reveals some surprising details, elaborated with care to achieve extreme precision. These include the enlarged and refined hour