The Cartier Tank Must SolarBeat in steel features a traditional 29mm by 22mm rectangular case with a polished finish, a hallmark of the brand’s enduring design language. The case is paired with a black genuine crocodile leather strap, providing a classic contrast to the white dial. The dial itself is executed in a heritage-rich style with printed black Roman numerals, including the signature hidden ‘Cartier’ signature within the VII numeral, and blued steel sword-shaped hands. The sapphire crystal and a polished fixed bezel complete the clean, timeless aesthetic. This reference, WSTA0060, represents a modern evolution of the Tank, maintaining its iconic proportions and legible layout.
This model is equipped with the SolarBeat quartz movement, a significant technical update within the Tank collection. The movement is powered by light, passing through the perforations in the Roman numerals on the dial, which eliminates the need for battery replacement under standard lighting conditions. This is the primary complication of the watch, offering practical, maintenance-free convenience while upholding the traditional appearance of the dial. The specifications are straightforward, with a water resistance suitable for daily wear and a focus on reliable timekeeping, aligning with the model’s purpose as a durable and classic dress watch.
The watch is in mint condition, showing no visible signs of wear on the case, crystal, or the black crocodile strap. It is accompanied by its card documentation, which is essential for verifying authenticity and any potential servicing. The Cartier Tank’s market position is exceptionally strong; it is one of the most recognizable and collected watch designs in the world. Its value is underpinned by consistent demand and the model’s century-long history. As a SolarBeat edition, this particular reference combines that timeless appeal with contemporary technology, making it a sound acquisition for both a collector seeking a modern iteration and an individual looking for a reliable, classic timepiece with reduced long-term maintenance.

