At Watches & Wonders 2026, Jaeger-LeCoultre presents a collection spanning accessible Master Control Chronometers to some of the most technically and artistically ambitious watchmaking the manufacture has ever produced. Tim Mosso goes hands-on with the full range.

The Master Control Chronometer collection establishes a new standard for the line. For the first time, all watches bearing the Master Control Chronomètre title undergo both COSC certification and the manufacture's own HPG process — three days of accelerated wear and multi-system testing on the fully assembled watch, applied universally rather than to a single homologation piece per run. The core models arrive in 38mm: a date in rose gold with bronze dial and stainless steel with blue dial, both with 70-hour power reserves and newly developed silk-like bracelets. The Master Control Chronomètre Date Power Reserve adds a power reserve indicator in a design that echoes the Futurematic E501 of the 1950s — 39mm, rose gold only. The Master Control Chronomètre Perpetual Calendar rounds out the collection at 39mm with JLC's sequentially programmed perpetual calendar system, available as a boutique exclusive in rose gold with bronze dial.

The Reverso Tribute Hokusai pays tribute to 19th century Japanese artist Katsushika Hokusai. On the dial side, hand-applied flinqué enamel — translucent color over engine-turned herringbone guilloche — and on the caseback, Hokusai imagery with a gold leaf signature unique to each of the manufacture's eight enamelers. In white gold at 45.6 x 27.4mm with an optional lace-like mesh bracelet. Caliber 822, manual winding.

The Master Grande Tradition Minute Repeating Tourbillon — an evolution of the 2014 Hybris Mechanica 11 — is now 41mm in rose gold at just 8.25mm thick, with a 5mm movement housing 593 components. Three new sapphire bridges open the previously solid dial, with 11 ruby pivot points set in gold chatons. The peripheral rotor orbits visibly around the dial. The tri-hammer minute repeater's gongs are partially welded to the case for improved acoustic performance. 42 to 45 hours of power reserve.

The Gyrotourbillon Stratosphère is the standout novelty of the year — a triaxial tourbillon in 42mm white gold, limited to 20 pieces. Three nested tourbillon cages rotate at 22, 60, and 90-second intervals respectively. The innermost tourbillon houses 189 components in two square centimeters, including a cylindrical marine chronometer-style hairspring. The bridges are white gold, finished with 64 interior-angle bevels requiring 65 hours of hand work to complete. The dial combines Osher hand beveling, satin brushing, lacquering, and enamel. A power reserve indicator is visible through the caseback alongside movement architecture referencing JLC's historic caliber 170 of the 1940s. 72-hour power reserve despite three axes of rotation.