6240, Daytona, Steel Trio 25668PT Perpetual Calendar Skeleton

25668PT Perpetual Calendar Skeleton

George Daniels

Vacheron Constantin’s answer to the Nautilus and Royal Oak

The 299-component calibre DB 2115 boasts a 6 day power reserve through twin self-regulating barrels visible on the dial’s edge

the smaller

6240, Daytona, Steel Trio 25668PT Perpetual Calendar SkeletonThe 6240 is the origin of all screw down Daytonas. Two years after the first Daytona, Rolex decided it needed a 100m Oyster case option. Production numbers of the 6240 were exceedingly small at fewer than 2000 examples, all in steel. While rare, It is arguably one of the most pivotal references within the line, its combination of screw down pushers with black acrylic bezel have become features widely adopted within later Daytona references. The 6240