As a "Pre-CPCP" variant, https://www.cuhren.de/produkt-Sammlungen/baignoire/ this particular one dates prior to 1998 when the Collection https://www.crworologi.co/ Privee Cartier Paris officially started. A quick and easy tell is https://www.cuhren.de/produkt-Sammlungen/santos-de-cartier/ the lack of "Paris" on the dial; this one is simply signed with "Cartier" at 12 o'clock. The watch is otherwise identical to the CPCP variant that came later, both powered by the high-end-for-Cartier, F. Piguet base, caliber 21.