Born from the friendship between Louis Cartier and pioneering aviator Alberto Santos-Dumont, the Santos became one of the earliest purpose-built men’s wristwatches and remains one of Cartier’s most recognizable designs more than a century later. A standout option for someone looking to enter the Cartier world through one of the brand’s most dynamic modern references.

Presents itself in mint condition with little to no signs of wear. Set on a graduated blue dial that melts from soft sky in the middle to deep midnight at the edges, catching light like the ocean at dusk. Wrapped in a case that plays brushed steel against mirror polish, so it flips between sporty and dressy every time your wrist turns. Paired with a steel bracelet whose signature screw links flow straight into a hidden folding clasp for a fit that feels made to measure.

Functions include hours, minutes, seconds, and date. The 7-sided crown on the right side of the case controls all settings, with the first pulled position adjusting the date and the second position setting the time. Cartier’s SmartLink system allows bracelet links to be removed or added through small push buttons located underneath the links, making sizing adjustments simple. The QuickSwitch system underneath the bracelet allows the stainless steel bracelet to be swapped within seconds for a completely different look on the wrist.

Comes as a full set, double-boxed, watch pillow, warranty booklet, and manual.

The Santos has remained relevant for more than a century because nothing else really looks or feels like it. Brings a modern edge to that legacy through its deep blue graduated dial, giving the iconic square case a much more contemporary presence on the wrist. A strong fit for collectors looking for genuine watchmaking history, everyday versatility, and a design that stands apart instantly in a room full of round watches.