The Cartier Santos de Cartier Skeleton reference WHSA0015 is a modern, high-horology interpretation of one of the world’s first wristwatches. This large model features a 39.8mm square stainless steel case with a thickness of 9.08mm, characterized by its iconic rounded angles, seamless lugs, and exposed bezel screws. The standout feature is its skeletonized dial, where the movement bridges are meticulously sculpted to form large Roman numeral hour markers, blending structural architecture with timekeeping. This design is complemented by blued-steel sword-shaped hands and a heptagonal crown set with a faceted sapphire, all protected by scratch-resistant sapphire crystals on both the front and the exhibition case back.
At the heart of this timepiece is the manufacture caliber 9611 MC, a manual-winding mechanical movement that provides a substantial 72-hour power reserve. The movement is composed of 138 parts and operates at a frequency of 28,800 vibrations per hour. While the watch focuses on the core complications of hours and minutes, its engineering is geared toward versatility and user convenience. It features the QuickSwitch interchangeability system, allowing owners to easily swap between the brushed stainless steel bracelet and the included blue alligator leather strap. The steel bracelet also utilizes the SmartLink adjustment system, enabling the removal or addition of links without the need for specialized tools.
General reviews of the WHSA0015 often emphasize its striking visual impact and the technical achievement of its “dial-less” construction. Enthusiasts praise the watch for maintaining the classic Santos silhouette while offering a transparent view of the twin mainspring barrels and drivetrain. The 100-meter water resistance is frequently noted as an impressive feat for a skeletonized luxury watch, making it more durable than many of its competitors. Some critics mention that the lack of a traditional dial can slightly impact legibility in certain lighting conditions, but most agree that the architectural beauty and the inclusion of two distinct strap options make it a versatile and highly desirable piece for collectors.