Heritage

Logical One

High-precision, fine Swiss watchmaking

Romain Gauthier’s award-winning Logical One features a revolutionary, friction-minimising ruby-link chain, snail cam and sapphire-lined mainspring barrel to offer nearly two days of constant force – the holy grail of precision watchmaking.

Heritage

Logical One editions

Logical One calibre, Romain Gauthier

Logical One calibre

Pioneering 'chain-and-fusee' constant-force mechanism

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Discover this timepiece hands on, Romain Gauthier

Discover this timepiece hands on

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