Cartier’s Santos is an iconic model, one of the celebrated pillars of the brand’s history as the first purpose-built wristwatch for aviator Alberto Santos-Dumont. The Santos Demoiselle reference W25066Z6 directly continues this legendary design language, scaled for a more compact wrist. The case is a 20mm by 20mm square with the signature exposed screws on the bezel, rendered here in a two-tone construction of polished stainless steel and 18k yellow gold. The dial is a white lacquer finish with black printed Roman numerals, including the distinctive VII with “CARTIER” integrated into the numeral. The sword-shaped hands are in blued steel, a classic Cartier detail. The bracelet alternates between polished steel and yellow gold links, secured with a concealed butterfly clasp. The overall finishing is a mix of high-polish surfaces on the bezel and gold elements, providing a distinct contrast.
This model is powered by a Cartier quartz movement. The use of a quartz caliber ensures high accuracy and minimal maintenance, a practical choice for a time-only watch intended for daily wear. The watch has no additional complications, focusing purely on the time-telling function and the clean, legible design of the dial. The case back is solid, which is standard for this model, and the watch offers a standard 30 meters of water resistance, suitable for everyday splashes but not for swimming.
This particular Santos Demoiselle is in mint condition, showing no visible signs of wear on the case, bezel, or bracelet. It is accompanied by its original papers and documentation, which is a significant factor for collectibility and value retention. Within the pre-owned market, Cartier’s two-tone Santos models are consistently sought after. Their value is stable, supported by the brand’s prestigious reputation and the timeless, recognizable design. This reference, with its complete set of papers and mint state, represents a well-documented example that is positioned to hold its value effectively.

