ARNOLD & SON Constant Force Tourbillon
ARNOLD & SON Constant Force Tourbillon
ARNOLD & SON Constant Force Tourbillon
ARNOLD & SON Constant Force Tourbillon

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Year
2016
Type
Watch
Price range CHF
>150000
Category
Exceptional Mechanics
Hand-wound mechanical
Case
Gold
Diameter
43-48 mm
Water-resistant
30 - 100m
Bracelet/strap
Alligator/Crocodile
Functions/Complications
- Limited Edition
- Tourbillon
- Exceptional Complications…

Constant Force Tourbillon

British watchmaker John Arnold (1736-1793) ranked among the most eminent specialists in marine chronometry. Established in La Chaux-de-Fonds, Arnold & Son continues to find inspiration in its founder's work. The Constant Force Tourbillon is a technically superlative wristwatch that reflects the eighteenth-century watchmaker's ingenuity. The manufacture movement is equipped with a constant force mechanism and true beat seconds. The former has two series-mounted barrels at 12 o'clock that ensure an optimal and regular flow of power to the tourbillon. The latter, which is clearly visible between 7 and 8 o'clock, stores energy from the balance via a spring, which it releases at each elapsed second only. The seconds hand therefore advances incrementally, allowing time to be read with greater ease and precision. 28-piece limited series.
Movement
Mechanical hand-wound, A&S5119 Manufacture calibre,39 jewels, 21,600 vib/h, twin barrels, 90-hour power reserve.
Functions
Hours, minutes, true beat seconds, tourbillon and constant force.
Case
Red gold 18K, 46 mm. Domed sapphire crystal with multi-layer anti-reflective coating on both sides, transparent caseback. Water-resistant to 30 metres (3 bar/100 ft).
Dial
Visible movement with twin barrel at 12 o'clock, tourbillon between 4 and 5 o'clock, true beat seconds between 7 and 8 o'clock. Seconds counter and anthracite inner bezel ring with red gold appliques 18k.
Bracelet/strap
Patinated brown bottier alligator, hand-stitched with red gold folding clasp 18K.