Cartier W1556369 (Pre-owned - Good) — USD 6,206 on eBay

The Rotonde de Cartier Calendar and Power Reserve, reference W1556369, represents Cartier's strategy to make its Fine Watchmaking complications more accessible. This model integrates practical complications such as a power reserve indicator and a calendar function, distinguishing it from more elaborate grand complications while maintaining Cartier's design language. It was introduced as part of a collection that aimed to broaden the appeal of Cartier's mechanical offerings to a wider audience. This particular reference features a 40 mm stainless steel case, making it a suitable size for a dress watch. The case thickness is just under 9 mm. It is powered by a self-winding mechanical movement, the caliber 9908 MC, which provides a power reserve of approximately 48 hours. The watch is fitted with a sapphire crystal. The crown is adorned with a blue spinel cabochon and features fluted decoration. Offered at a more approachable price point due to its stainless steel case, this reference appeals to collectors seeking Cartier's horological craftsmanship without the premium of precious metals. While this specific reference features a silver dial, variants were also produced in rose gold with a silver dial and white gold with a gray dial, the latter being a limited edition of 200 pieces. The dial is characterized by bold Roman numerals, with a secret Cartier signature in the VII, and an inner guilloché pattern.