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Arnold & Son DSTB “Dial Side True Beat”

In celebration of their 250th year anniversary, Arnold & Son has unveiled a new heritage-inspired timepiece. The DSTB “Dial Side True Beat” is in many ways a typical mechanical watch, had it not been been for the true beat function or dead-beat function as it is usually called. It is located on the dial side and makes the second hand tick, like that of a classic quartz watch.

The 43,5 mm case is made of 18-carat red gold case with anti-reflective sapphire crystal and see-through caseback for viewing of the in-house self-winding calibre A&S6003 movement with 229 components, complete with skeletonized oscillating weight.


Arnold & Son mechanical movement A&S6003 © Arnold & Son

A part of the movement, the true beat second’s’ mechanism is showcased entirely on the dial side. Not just the hands, but also the lever, wheels and three rose-gold treated true beat seconds bridges are located in full view on the dial side.

Arnold & Son DSTB

DSTB © Arnold & Son

The true beat seconds are indicated via a large sapphire dial that occupies the top left portion of the dial at 11 o’clock. At the 4 o’clock position, a white lacquered domed subdial indicates the hours and the minutes via blued hands. The overlapping indications gives the dial a three-dimensional look.

Arnold & Son will be releasing just 50 pieces of this model.

Main technical characteristics:

Calibre: A&S6003
Arnold & Son mechanical movement, self-winding, 32 jewels, diameter 38 mm, thickness 7.39 mm, power reserve 50 h, 28,800 vibrations/h

Functions: hours, minutes, true beat seconds

Dial: domed and white lacquered, sapphire

Case: 18-carat red gold, diameter 43.5 mm, cambered sapphire with anti-reflective coating on both sides, see-through sapphire case back, water-resistant to 30 meters.

Strap: hand-stitched brown or black alligator leather

Reference: 1ATAR.L01A.C120A

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