A paragon of fine Swiss watchmaking, 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.
Grade 5 natural titanium case with anthracite ADLC and palladium-treated movement
Features and indications
Features: Hours, minutes, small seconds, 46-hour power reserve, push-button winding and innovative chain-and-fusee style constant force system featuring snail cam and ruby-link chain
Dial and hands
Oven-fired white enamel dial on a 18k gold base complemented by flame-blued steel hands, or
Oven-fired black enamel dial on a 18k gold base complemented by 18k gold hands, or
Blackened brass dial featuring clous de Paris guilloche complemented by 18k gold hands
Dimensions: 35.5mm x 10.5mm
Power reserve: 46 hours
Number of jewels: 63 in total, including 26 for the constant-force chain
Number of components: 359
Balance frequency: 28,800 vph / 4Hz
Movement components in: Steel, stainless steel, beryllium copper, brass, titanium and German silver
Finishing: Highest level haute horlogerie finishing
Dimensions: 43mm x 15mm
Water resistance: 30m/3atm/100ft
Sapphire crystal with anti-reflection coating front and display back
Crown for time-settingat 2 o’clock
Push button for winding at 9 o’clock
Matte black alligator leather strap with light grey stitching, hand-stitched in Switzerland with titanium pin buckle
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