Overview
The Tank Must de Cartier watch, Ref. CRWSTA0138, reimagines one of Cartier’s most timeless icons with contemporary innovation and sustainable technology. This large model, crafted in polished stainless steel, is equipped with the SolarBeat™ photovoltaic movement, a light-powered system that unites Cartier’s horological expertise with modern environmental consciousness. The design remains faithful to the spirit of the original Tank watch, created by Louis Cartier in 1917, while introducing subtle updates that reflect the needs of today’s wearer.
Design and Aesthetics
The watch’s rectangular steel case, measuring 33.7 mm by 25.5 mm with a refined 6.6 mm thickness, perfectly embodies Cartier’s aesthetic of balanced geometry and timeless proportions. The silvered dial displays elegant black Roman numerals, a hallmark of the Tank’s identity, encircled by a delicate rail-track minute scale that enhances readability. The blued-steel sword-shaped hands glide gracefully across the dial, their deep hue offering a striking contrast against the soft metallic sheen of the background. Completing the composition is a beaded crown, adorned with a synthetic cabochon-shaped spinel, an unmistakable Cartier signature detail. The watch is paired with a black calfskin leather strap secured by a steel ardillon buckle, ensuring both comfort and understated sophistication. Its slim profile and clean lines make it suitable for any occasion, from casual elegance to formal refinement.
Movement and Innovation
At the heart of this timepiece beats Cartier’s SolarBeat™ photovoltaic movement, caliber 157S, a technological innovation that transforms natural or artificial light into energy. Hidden photovoltaic cells beneath the Roman numerals capture light without disrupting the purity of the dial, offering up to 16 years of autonomy without the need for a battery replacement. This sustainable advancement represents a new era in Cartier’s watchmaking philosophy, combining technical precision, environmental responsibility, and aesthetic harmony. The SolarBeat™ movement not only enhances durability and convenience but also reflects Cartier’s forward-thinking commitment to the future of fine horology.
Craftsmanship and Materials
Every detail of the Tank Must de Cartier WSTA0138 reveals the Maison’s dedication to excellence. The stainless steel case and sapphire crystal glass ensure both elegance and resilience, while the rectangular form pays homage to the architectural inspiration of the original Tank. With water resistance up to 3 bar (approximately 30 meters or 100 feet), the watch is designed for everyday wear while maintaining its refined aesthetic integrity. The black calfskin strap, smooth and understated, complements the polished steel case, balancing classic appeal with contemporary simplicity. Its interchangeable design allows for versatility, adapting to the wearer’s personal style.
Heritage and Legacy
The Cartier Tank is one of the most celebrated designs in watchmaking history. Conceived by Louis Cartier in 1917, its form was inspired by the aerial view of a military tank, with the brancards representing the tracks and the case symbolizing the cockpit. Over the decades, the Tank has evolved through numerous variations — from the Tank Américaine and Tank Française to the Tank Cintrée and Tank Chinoise — each maintaining the essence of its original geometry and proportion. The Tank Must line revives the minimalist sophistication of the 1970s “Must de Cartier” collection, merging the elegance of that era with Cartier’s modern sensibility and environmental innovation.
Essence of the Timepiece
The Tank Must de Cartier WSTA0138 stands as a testament to Cartier’s ability to balance tradition, artistry, and innovation. Its solar-powered movement, polished steel construction, and timeless rectangular silhouette embody the enduring grace that has defined the Maison for more than a century. This watch is not only a symbol of impeccable craftsmanship but also a reflection of Cartier’s evolving vision — one that honors the past while embracing the future through sustainability, design purity, and refined luxury.
For more information about this Cartier timepiece, contact our specialist at +1 917 463 4319.
