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Calibre 101: One of the smallest mechanical marvel | Jaeger-LeCoultre

Jul 25, 2025 · 7.2K views

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Format
Documentary
Category
Watches
Products & items
Calibre 101
Materials & techniques
watchmakingmicro-mechanics
Styles & eras
1920s

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DescriptionRecognised as the world’s smallest mechanical movement, the Calibre 101 measures just 14 x 4.8 mm with a thickness of 3.4 mm. Composed of 98 components, each is meticulously hand-assembled by a select few watchmakers at the Manufacture. Developed in 1929 to ensure exceptional precision within an ultra-compact form, it More
Recognised as the world’s smallest mechanical movement, the Calibre 101 measures just 14 x 4.8 mm with a thickness of 3.4 mm. Composed of 98 components, each is meticulously hand-assembled by a select few watchmakers at the Manufacture. Developed in 1929 to ensure exceptional precision within an ultra-compact form, it has been kept in continuous production, embodying Jaeger-LeCoultre’s mastery of micro-mechanical engineering. Learn more: bit.ly/_TheCollectibles #JaegerLeCoultre #Calibre101 #TheCollectibles

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