Must de Cartier - Blue Roman Numerals.

By the 1970s Cartier faced a changing watch market.  The quartz crisis and a desire to appeal to a younger clientele led the maison to broaden its offering.  In 1977 it introduced the Tank Must as part of a wider “Les Must de Cartier” collection, adopting vermeil—gold‑plated silver—cases and lacquered dials in rich colours to make Cartier design more accessible .  The strategy allowed the brand to maintain its distinctive aesthetic while offering watches at a lower price point than precious‑metal Tanks.The Tank Must retained core design cues of its forebear: a rectangular case, Roman numerals, a railroad minute track and a blue cabochon crown.  The difference lay in materials and decoration—lacquered burgundy, blue or green dials and gold‑plated cases replaced solid gold, signalling a departure from traditional luxury .  Inside, quartz movements ensured reliable, low‑maintenance timekeeping, reflecting contemporary technology.This line reflected cultural shifts of the late 1970s and early 1980s.  Luxury brands sought to democratise their products, and bold colours and minimalist surfaces resonated with a generation embracing modernist design.  The Must collection helped revive Cartier’s fortunes during a challenging period and attracted customers who might later graduate to precious‑metal models.Collectors today regard early Must de Cartier watches as symbols of accessible luxury and design experimentation.  Their lacquered dials and vermeil cases offer a glimpse into a period when Cartier balanced heritage with modernity.  Contemporary re‑interpretations, including solar‑powered versions introduced in 2021 , continue this dialogue between past and present, underscoring the enduring appeal of the Tank silhouette.