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Vacheron Constantin automatic skeleton watches embody a high-precision art consisting of reducing the entire set of mechanical parts to their bare essentials in order to reveal the quintessence of the self-winding movement. A task requiring extreme finesse and absolute precision, openworking the oscillating weight is the most delicate part of crafting automatic skeleton watches, since this component must maintain a certain density. Openworking, decorating, chasing, bevelling, engraving, chamfering: these operations call for weeks or decorative work performed by the Artistic Crafts artisans labouring within the Manufacture to produce these automatic skeleton watches.