Jaquet Droz sheds light on the Grande Seconde Skelet-One


Jaquet Droz has presented the Grande Seconde Skelet-One as part of its 280th anniversary celebrations.

The Grande Seconde is one of the most popular lines from Jaquet Droz, and the Skelet-One now makes the mechanical movement visible.

This is the first time the Swiss-based watchmaker has proposed a sapphire dial integrated within a skeleton composition, with the Grande Seconde Skelet-One marking a stylistic turning point in the brand’s history.


The objective of this creation was to let light shine into the Grande Seconde, all while preserving the figure ‘8’ shape that is its aesthetic signature.

The new design sees an entirely open-worked plate and the elimination of the casing-up circle which allows for a more open composition.

At 12 o’clock, the hours and minutes turn around a sapphire hour ring set on a base of gold. The ensemble is held together by five indexed screws, oriented in a chosen direction. Used for the first time by Jaquet Droz, this procedure was derived from an existing armory system and adapted by the brand’s technical teams.

The oscillating weight in gold has also been open-worked to let light into the heart of the movement.

The Grande Seconde Skelet-One, equipped with a silicon double barrel, balance spring and pallet lugs, features a hand-assembled Caliber 2663 SQ and is the first to reveal the mechanical choreography of Grande Seconde.

The Grande Seconde Skelet-One, with a diameter of 41 mm, comes in three interpretations: red gold, white gold and ceramic.

This design has recently featured alongside other new additions such as the Grande Seconde Ceramic ‘Clous de Paris’ and the Lady 8 Petite at the opening of their new boutique in Xi’an.

Read more on their new chapter in China here:

Jaquet Droz embarks on new chapter in China with store launch

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