Romain Gauthier Logical One Black Titanium

This new version of Logical One by Romain Gauthier features a black ADLC titanium case and anthracite ADLC treated movement. It is available with an oven-fired white enamel dial complemented by flame-blued steel hands, or an oven-fired black enamel dial with red accents complemented by 18k white gold hands.

Romain Gauthier Logical One Black Titanium watch

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 – the holy grail of precision watchmaking.

Romain Gauthier Logical One Black Titanium watch with white enamel dial

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 case-band.

Romain Gauthier Logical One Black Titanium watch

The Romain Gauthier Logical One Black Titanium watch features hours and minutes on an off-centre subdial, small seconds, and a 46-hour power reserve indicator on the back.

Technical details

Model: Logical One Black Titanium by Romain Gauthier

Black ADLC Grade 5 natural titanium case with anthracite ADLC treated movement

Features and indications
Hours, minutes, small seconds; 46-hour power reserve indicator; push-button winding; innovative chain-and-fusee style constant force system featuring snail cam and ruby-link chain

Dial and hands
Oven-fired white enamel dial with flame-blued steel hands
Oven-fired black enamel dial with red accentsand18k white gold hands

Movement and finishing
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
Patents: 4
Finishing: Highest-level haute horlogerie finishing

Case material: Black ADLC Grade 5 titanium
Dimensions: 43mm x 14.2mm
Water resistance: 30m/3atm/100ft
Sapphire crystal with interior anti-reflection coating, front and display back
Crown for time setting at 2 o’clock
Push button for winding at 9 o’clock

Strap and buckle
Matte black alligator leather strap with stitching (red or white) to match dial or dial accents, hand-stitched in Switzerland with titanium pin buckle

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