Logical One BTG

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Logical One BTG - Romain Gauthier
The Romain Gauthier Logical One BTG gets its name from its black titanium case and white gold crown and pusher.

Logical One is Romain Gauthier’s Grand Prix de Genève-winning creation that contains a revolutionary snail cam and friction-minimising ruby-link chain, plus sapphire-lined mainspring barrel, to offer nearly two days of constant force.

Its beautifully hand-decorated, in-house movement can be admired dial side and through the display back, and is wound using an ergonomic winding pusher integrated into the caseband. It features hours and minutes on an off-centre subdial, small seconds, and a 46-hour power reserve indicator on the back.

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Logical One BTG boasts a black ADLC case and anthracite ADLC treated mainplate. It gets its name from its black titanium case and white gold crown and pusher. The darkness of these elements sets off the ink blue hour-minute subdial and small seconds made from oven-fired enamel. The blue enamel is slightly translucent, allowing the 18k white gold dial plate beneath to occasionally flash into sight.

The sleek case and mainplate form a neat contrast to the 18k white gold pusher and crown, the balance bridge and escape wheel bridge in bright palladium-treated brass, and the upper ‘bar’ bridge for the constant force system in light-hued natural titanium.

Logical One BTG’s movement was conceived, developed, produced, decorated, assembled and regulated at Manufacture Romain Gauthier in the Vallée de Joux, Switzerland. The spectacular decoration includes hand-created and hand-polished rounded bevels, hand-frosting, snailing, straight-graining, circular graining as well as hand-polished jewel countersinks.

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The alligator leather strap is in casual matte black with light grey stitching.

Logical One BTG is a 5-piece limited edition.

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Romain Gauthier