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Electric blue Grand Feu enamel dial

Focus

The Réserve de Marche, Master Ultra Thin Réserve de Marche

A complex system of differential gears ensures the power reserve is clearly indicated, and converts the energy accumulated by the Calibre Jaeger-LeCoultre 938 into units of time, self-winding mechanical movement.

Master Ultra Thin Reserve de Marche F1
An updated dial, Master Ultra Thin Réserve de Marche

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