Jaeger-LeCoultre Calibre 101
Calibre 101
Nearly a century of miniature watchmaking, High Jewellery, and extraordinary creative freedom.
Small in scale.
Extraordinary in possibility.
Introduced in 1929, Jaeger-LeCoultre's Calibre 101 remains the world's smallest mechanical movement. Its extraordinary dimensions opened new possibilities for women's watchmaking, allowing mechanical timekeeping to become increasingly integrated into the language of High Jewellery.

An achievement measured in millimeters.
The manually wound Calibre 101 measures only 14 mm long, 4.8 mm wide and 3.4 mm thick. Within its miniature architecture are 98 individual components.
Its significance lies not only in its dimensions, but in the creative freedom those dimensions provide.
One movement.
Many identities.
Across generations, the same miniature calibre has enabled Jaeger-LeCoultre to create remarkably different expressions of jewellery and timekeeping.

Classic Symmetry
The 101 Reine represents one of the more traditional expressions of Calibre 101, placing its miniature dial at the center of a refined High Jewellery composition.

Art Deco Geometry
The 101 Bangle takes a more architectural approach, combining sweeping geometry with an extensively diamond-set bracelet while allowing the mechanical movement to remain almost invisible within the design.

A Floral Expression
Inspired by the snowdrop flowers of the Vallée de Joux, this expression surrounds the dial with a floral arrangement of gemstones, transforming the watch into an articulated High Jewellery bracelet.

Time Beneath the Surface
The Feuille explores another possibility enabled by Calibre 101: concealing the time display entirely. Beneath its leaf-shaped cover, a discreet dial appears only when the wearer chooses to reveal it.
Time, hidden in plain sight.
The exceptional dimensions of Calibre 101 allow the watch itself to disappear into a jewellery composition. In the 101 Secrets, a concealed mechanism reveals the dial only when activated.


Calibre 101
Secrets
This exceptional Calibre 101 Secrets is produced in a highly limited edition of just three pieces.
Crafted in 18K pink gold, the bracelet is set with graduated pink sapphires and diamonds. A concealed mechanism reveals a white mother-of-pearl dial, uniting High Jewellery with the world's smallest mechanical movement.




Jaeger-LeCoultre
× CH Premier
From nearly a century of Calibre 101 innovation to an exceptionally rare limited edition of three pieces, discover the Maison's exceptional watchmaking at CH Premier.
Explore Jaeger-LeCoultre at CH Premier
